Cranksets

The RS510 crankset features a 4-arm design that's light and stiff, providing high performance on a low budget. - For 11-speed drivetrains - Compatible with frames of O.L.D. 135 mm and 410 mm chainstay length - Affordable and high-end style crankset

An attractive aluminum crank with hollow arms for lightweight, rigidity, and durability The newly designed crank arms offer an optimized balance between lightweight and efficiency. The crank, formed with hollow aluminum technology, is anodized with a beautiful gloss black anodized finish, giving it a luxurious look. The resin ribs on the back of the chainrings are SHIMANO 105's unique structural design that achieves both thorough weight reduction and crisp shifting performance. FEATURES - Optimal balance of stiffness, strength, weight and rotational performance - HOLLOWTECH II structure cuts weight yet maintains strength for better power transfer - Crank arm length: 160, 165, 170, 172.5, 175 mm - Gear combination: 50-34T, 52-36T - Q-factor: 148 mm

- Series: SORA - Crank Construction: 2-piece crank construction - Bottom Bracket: BB-RS500, BB-RS500-PB - Chain Line: 43.5 - 9-speed - Four-arm BCD

Shimano's Tiagra Front Chainwheel is sleek, balanced and consistent. The Tiagra 4700 series provides serious entry-level riding performance with trickle-down technology from the top shelf Dura Ace line. - Series: Tiagra 4700 - Crank Construction: 2-piece crank construction - Cassette Compatibility: 10-speed - Chain Compatibility: Series color - Bottom Bracket: BB-RS500 / BB-RS500-PB

The Tourney TY501 crankset provides crisp, reliable shifting for your triple chainring drivetrain. - Precision indexed shifting - 8/7/6-speed compatible - 3 crank length specification available - Precise chain line control - Light and reliable shifting - Versatile performance - Wide compatibility with multiple components - Quick and precise assembly

Low weight, efficiency, and speed: That's what Shimano's Ultegra Crankset brings to every ride. The proprietary four-arm design sheds grams and increases stiffness for more power straight to the road. Computer-designed chainrings with optimally placed ramps and pins are a revolution in front shifting with fast, smooth gear changes that set the standard. A wide range of gearing options and crank lengths offers you the opportunity to find the crank that suits your riding style.

An integral part of the Shimano Ultegra 12-speed road lineup, the FC-R8100 crankset builds upon Shimano's legendary front shifting and transmission efficiency. With new refinements for seamless 12-speed shifting, the Ultegra crank is now offered in a wide variety of lengths, bringing performance and improved fit for smaller riders, triathletes, and riders with specific biomechanic requirements. - Optimal balance of stiffness, strength, weight and rotational performance - Hollowglide structure cuts weight yet maintains strength for better power transfer and quicker, more precise front shifting - 148mm Q-factor - 44.5mm chainline

Shimano Ultegra R8000 crankset. - Optimized lightweight crank arm design produces excellent power transfer efficiency - Minimized weight without sacrificing stiffness - Hollowtech II - Rider tuned gear performance through various gear combinations - Possible to choose the best choice for ride - Redesigned FC for greater frame compatibility - Wider gear pitch increases clearance between chain and leading teeth to provide compatibility with frames with O.L.D. 135mm and 410mm chain stay length - Model Number : FC-R8000 - Series: Ultegra - Crank Construction: Hollowtech II - Crank Arm Length : 165, 170, 172.5, 175mm - Bottom Bracket : SM-BBR60/SM-BBR60-PB - Chain Line: 43.5 - Average Weight: 690 grams (53-39T), 681 grams (52-36T), 674 grams (50-34T), 668 grams (46-36T)

Shimano's heralded XTR moniker promises genre-defining performance, weight, and style. Shimano's XTR Hollowtech II Race Crankset lives up to the name. The hollow, cold-forged aluminum crankarms are ultra light, yet exceptionally stiff for awesome power transfer and efficiency. XTR chainrings feature computer-designed shift ramps for remarkably fast, clean, and precise front shifting. CloseStep gear combos allow riders to tailor the chainring combos to suit their riding needs.

SRAM's Apex Crankset is designed for capable stiffness at an impressive weight. The cold-forged aluminum arms are tough, rigid and perfectly complement your favorite ride. SRAM's long-lasting Powerglide chainrings are hard anodized and designed for quick, positive shifting in all conditions. Plus, the Apex crankset comes with SRAM's smooth-spinning GXP bottom bracket.

SRAM’s cranks are strong and tough, ready for any kind of ride. So it’s inevitable that pedal strikes and debris will chip away at the end of the crank. SRAM’s Carbon Crank Boot is an upgrade that combats the wear and tear that comes with hard riding. The boot protects the crank from surface damage and keeps the rider’s style perfectly intact. - For Descendant Carbon and non-Eagle XX1 and X01

SRAM’s cranks are strong and tough, ready for any kind of ride. So it’s inevitable that pedal strikes and debris will chip away at the end of the crank. SRAM’s Carbon Crank Boot is an upgrade that combats the wear and tear that comes with hard riding. The boot protects the crank from surface damage and keeps the rider’s style perfectly in tact. - Injection molded plastic crank arm protection - Perfect way to protect your carbon crank investment from scratches and dents from pedal strikes - Material: Injection molded plastic - Recommended Group: XX1, X01, XX, X0

- Replacement bolt for DUB cranks

Forget front derailleurs; SRAM's Force 1 Crankset brings a game-changing upgrade in performance and reliability to cyclocross, road, and other 700c disciplines. Force 1 combines the durability, simplicity and efficiency that SRAM is known for with their 1x mountain technology. - Single-ring drivetrain simplifies functionality - SRAM X-Sync: wide-tooth, narrow-tooth chainring technology provides maximum chain control - Chainrings available in 42, 50 (110 BCD), and 52 (130BCD) teeth to conquer every course from sand dunes to gravel-road assaults - Unidirectional carbon crank arm matched to a forged aluminum spider for lightweight and durability - Weight 679g-24mm, 172.5mm, 50T, no BB - Bottom bracket not included

The SRAM Force AXS Crank Arm Assembly features carbon crank arms that are ready to pair with any SRAM AXS spider or integrated chainring, with or without power. - 8-bolt interface is compatible with power and non-power AXS spiders and integrated chainrings - Not compatible with SRAM's 3-bolt direct mount interface - Carbon fiber arms with natural carbon finish - Spider and chainrings sold separately - DUB spindle interface - Compatible with all SRAM Road DUB bottom brackets - Number of Chainrings: No Rings, No Spider Included - Crank Intended Use: Road - Pedal Spindle: 9/16" - Spindle Interface Type: SRAM DUB - Chainring BCD: Direct Mount SRAM - BB Included: No

SRAM Force crank spiders are for repairing your crank or converting it to different gearing. Available in 110mm and 130mm BCDs.

Some riders test their limits more than others. For these riders, the GX Eagle DUB crankset allows them to go all-in, every day they ride. The best aluminum crankset we make, engineered to deliver consistent performance every ride. Featuring our X-SYNC 2 tooth profile chainring for complete chain control, each tooth's thickness is toleranced and controlled to work seamlessly with the chain's inner and outer links. DUB technology's patented spindle design and bottom bracket provide a uniform approach to fitment, better sealing, and forward and backward compatibility. Simply put, the forged aluminum GX Eagle DUB crankset is the no-frills choice of riders who know. - Our best aluminum crankset - Direct mount interface compatible with chainrings across the entire Eagle Ecosystem - Master GX colorway as part of Eagle Colorsystem—pairs with all cassettes and chains, from Black to Gold to Rainbow to HardChrome and all-new Copper

The SRAM carbon GX Eagle crankset delivers consistent performance every time out. Featuring SRAM's X-SYNC 2 tooth profile chainring, the Carbon GX crankset is engineered for complete chain control. Each tooth's thickness is precisely toleranced and controlled to work seamlessly with the chain's inner and outer links. DUB technology features a better-engineered bottom bracket and a new spindle design. Together, these allow for a more uniform approach to bottom bracket fitment, better sealing against contamination, and forward and backward compatibility. Now everyone can benefit from a new measure of durability.

Some riders test their limits more than others. For these riders, the GX Eagle DUB crankset allows them to go all in, every day they ride. The best aluminum crankset we make, engineered to deliver consistent performance every ride. Featuring our X-SYNC 2 tooth profile chainring for complete chain control, each tooth's thickness is toleranced and controlled to work seamlessly with the chain's inner and outer links. DUB technology's patented spindle design and bottom bracket provide a uniform approach to fitment, better sealing, and forward and backward compatibility. Simply put, the forged aluminum GX Eagle DUB crankset is the no-frills choice of riders who know. - Our best aluminum crankset - Direct mount interface compatible with chainrings across the entire Eagle Ecosystem - Master GX colorway as part of Eagle Colorsystem—pairs with all cassettes and chains, from Black to Gold to Rainbow to HardChrome and all-new Copper

The SRAM RED crankset leverages a pivotal design innovation: smaller chainrings and a wider cassette range. This leads to smoother and faster shifting up front and more useful gearing for today's riders. The new configurations improve cadence and efficiency while also delivering shifts that are crisp, clean and quick-every time. Features - X-Range gearing technology gives you more range and a smoother gear progression, so you're always in the right gear - Improved front shifting performance for crisp and accurate front shifts - Unique chainring design results in a lighter weight, stiffer, more durable crankset - DUB bottom bracket adds durability, simplicity and broad compatibility - Power upgradeable Specifications - Speeds: 12 - BB Compatibility: All SRAM Road DUB BBs, GXP/PF GXP 68mm - Chainring Size: 46/33, 48/35, 50/37 - Crank arm length: 165mm, 167.5mm, 170mm, 172.5mm, 175mm - Chainline: 45.0mm - BB Spindle Interface: 24mm, DUB - Chainring material: Aluminum - Guard: No Guard - Bolt Circle Diameter (BCD): Direct Mount (DM) - Crank arm material: Carbon

Power every ride. We've taken the reliability, elegance, and features of Quarq's legendary crank-based power meter and dropped the barrier to entry once again. This new power meter platform is entirely contained within the DUB spindle for clean integration that fits more bikes than ever. - An elegant, integrated design - DUB-PWR spindle-based unit measures left-side power to calculate total watts - Proven Quarq reliability and accuracy - Long battery life (400+ hours) to power a season of rides - User-replaceable lithium AAA battery - DUB bottom bracket adds durability and simplicity - Waterproof (IPX7 waterproof to 1 meter for 30 minutes) - Lightweight (less than 40g heavier than standard crankset) - Wide chainline crankset for bikes with the widest gravel tires

SRAM's Rival 22 performs on par with more expensive cranksets, but at a bargain value. The crankarms are hollow and forged from 6066 aluminum for maximum strength with minimum weight. Because lightness is nothing without toughness, the Rival crankset proudly boasts SRAM's X Glide R chainrings that are specifically designed for use with the Yaw front derailleur. Durability and reliable shifting are your allies with Rival 22.

The wider stance of the arms and chainrings provides clearance for extra wide tires, giving you the option to explore new, more challenging routes. - Wide chainline crankset for bikes with up to 700x45c or 27.5x2.1" tire widths (43/30T chainrings only) - DUB bottom bracket adds durability and simplicity - Longer DUB crank spindle accommodates both Road- and MTB-width bottom bracket standards for unmatched cross-compatibility across brands - Requires wide front derailleur - BB not included

Power every ride. We've taken the reliability, elegance, and features of Quarq's legendary crank-based power meter and dropped the barrier to entry once again. This new power meter platform is entirely contained within the DUB spindle for clean integration that fits more bikes than ever. It's invisible technology that adds minimal weight and will help you get to the finish line faster, and it can be used to upgrade any eTap AXS bike. - An elegant, integrated design - DUB-PWR spindle-based unit measures left-side power to calculate total watts - Proven Quarq reliability and accuracy - Long battery life (400+ hours) to power a season of rides - User-replaceable lithium AAA battery - DUB bottom bracket adds durability and simplicity - Waterproof (IPX7 waterproof to 1 meter for 30 minutes) - Lightweight (less than 40g heavier than standard crankset) - Simple and affordable power meter upgrade option - Right Arm/BB/Spider/Chainrings NOT INCLUDED

Power every ride. We've taken the reliability, elegance, and features of Quarq's legendary crank-based power meter and dropped the barrier to entry once again. This new power meter platform is entirely contained within the DUB spindle for clean integration that fits more bikes than ever. - An elegant,integrated design - DUB-PWR spindle-based unit measures left-side power to calculate total watts - Proven Quarq reliability and accuracy - Long battery life (400+ hours) to power a season of rides - User-replaceable lithium AAA battery - DUB bottom bracket adds durability and simplicity - Waterproof (IPX7 waterproof to 1 meter for 30 minutes) - Lightweight (less than 40g heavier than standard crankset) - BB not included

Some riders test their limits more than others. For these riders, the GX Eagle DUB crankset allows them to go all in, every day they ride. The best aluminum crankset we make, engineered to deliver consistent performance every ride. Featuring our X-SYNC 2 tooth profile chainring for complete chain control. Each tooth's thickness is toleranced and controlled to work seamlessly with the chain's inner and outer links. DUB technology's patented spindle design and bottom bracket provides a uniform approach to fitment, better sealing, and forward and backward compatibility. Simply put, the forged aluminum GX Eagle DUB crankset is the no frills choice of riders who know. - Our best aluminum crankset - Direct mount interface compatible with chainrings across the entire Eagle Ecosystem - Master GX colorway as part of Eagle Colorsystem pairs with all cassettes and chains, from Black to Gold to Rainbow to HardChrome and all-new Copper

Strength is how the X01 Eagle DUB crankset takes capability to places never before reached. It’s the strongest crank in the entire Eagle ecosystem, and it holds this status at a weight that is hard to fathom. It features industry-proven and rider-beloved DUB technology to radically simplify the relationship of spindle to bottom bracket, delivering unprecedented simplicity, compatibility, and durability. - The strongest crank in the entire Eagle ecosystem. - Master X01 colorway as part of Eagle Colorsystem—goes with all cassette and chain color options.

The new X01 Eagle is our best, toughest, and most aggressive Trail and Enduro crankset thanks to DUB technology. The reengineered design, employing our proprietary CARBON TUNED lay-up technology, is built tough to handle aggressive lines through rock gardens and big hits wherever you find them. - DUB technology delivers the strongest, stiffest, lightest crankset available - All-new SRAM CARBON TUNED crank technology provides extreme stiffness and low weight - All-new chainring technology is designed specifically for Eagle chains and drivetrains - The X-SYNC2 chainring provides significantly quieter performance with better mud clearing and extraordinary durability

Strength is how the X01 Eagle DUB crankset takes capability to places never before reached. It's the strongest crank in the entire Eagle ecosystem, and it holds this status at a weight that is hard to fathom. It features industry-proven and rider-beloved DUB technology to radically simplify the relationship of spindle to bottom bracket, delivering unprecedented simplicity, compatibility, and durability. The X01 Eagle DUB Crankset also comes with our Eagle Colorsystem, in the X01 master colorway—to go perfectly with all other available cassette and chain colors from Black to Gold to Rainbow, and now Copper. All this with a raw aluminum finish on the X-SYNC 2 chainring teeth to keep looking fresh throughout its long lifespan. - The strongest crank in the entire Eagle ecosystem - Master X01 colorway as part of Eagle Colorsystem—goes with all cassette and chain color options - Available in the X01 master colorway and Oxy Red X01 signature colorway - Raw aluminum chainring teeth keep the crank looking fresh throughout the entire lifespan of the precision CNC-machined direct mount ring

When SRAM began developing XX, they were looking to create the lightest, most precise and technically advanced components possible, and boy have they delivered! The XX Crankset boasts carbon/aluminum arms to keep the weight incredibly low and boost stiffness to stratospheric levels. The chainrings are no small feat of engineering, either. They’re painstakingly cut from solid aluminum blocks to eliminate power-robbing flex and they’re exquisitely ramped and pinned to provide lightning-quick, impressively crisp gear changes. What’s more, the XX is available in two widths so you can get the perfect fit and maximize efficiency.

With multiple World Championship medals, EWS series wins and Olympic gold medals to its name, our XX Eagle cranks set the standard. The XX Eagle T-Type Wide crankset is the evolution of that standard. Carbon fiber engineered with a foam core to give both incredible strength and maximized stiffness. The XX Eagle Transmission crank also features a first-of-its-kind removable and replaceable bash guard system that riders will appreciate. - Carbon crank arms with foam core are extremely lightweight and provide maximum stiffness - Includes XX T-Type removable and replaceable 2-Guard aluminum bashguard to protect your chainring when riding rough terrain - 55mm Chainline - 174mm Q-factor - DUB bottom bracket and spacers NOT included

The XX1 Eagle DUB crankset has been re-examined and re-engineered. Featuring SRAM’s DUB technology, this design simplifies the relationship of the spindle to the bottom bracket. DUB-powered cranksets mean simplicity, compatibility, and durability. - SRAM DUB technology creates a lighter, stiffer and stronger crankset - Carbon-tuned lay-up crank design provides extreme stiffness and light weight - Included direct mount X-SYNC 2 chainring provides significantly quieter performance, with better mud clearing and durability - Chainring is designed specifically for Eagle chains and drivetrains - DUB compatible bottom bracket sold separately - BB Included: No - Chainring BCD: Sram Direct Mount - Crank Intended Use: Mountain - Number of Chainrings: Single - Drivetrain Speeds: 12, 11, 10 - Spindle Interface Type: SRAM DUB - Chainline/Hub Compatibility: 135/142 MTB Hubs

SRAM's XX1 Crankset gives you less — that adds up to more! Paired with SRAM's 11-speed XX1-specific cassette (sold separately), you get the gearing of a 2- or 3-ring system, with less gear redundancy, less weight, and no front derailleur or chainguide. There's also less clutter on your bars and less chain noise. The cranks themselves are seriously light, too, thanks to carbon arms and a forged spider. But wait! There's less! Dropped chains are a distant memory. The teeth on the ingenious X-Sync rings are shaped to hold onto your chain. With XX1 cranks, less truly is more.

The XX1 Eagle crankset features a special hollow internal architecture, combined with SRAM's Carbon Tuned technology to provide extreme stiffness and low weight. An X-SYNC 2 chainring offers significantly quieter performance with better mud clearing and extraordinary durability. As a part of the SRAM Eagle ecosystem, this crankset was developed for a superior 1x drivetrain experience. - SRAM DUB technology creates a lighter, stiffer, and stronger crankset - For use with a Cannondale Ai frame interface - Carbon-tuned lay-up crank design provides extreme stiffness and low weight - Included direct mount X-SYNC 2 chainring provides significantly quieter performance with better mud clearing and durability - Chainring is designed specifically for Eagle chains and drivetrains - Use with SRAM Eagle chain for optimum performance

SR Suntour's XCT is a replacement left crank arm for square or diamond taper-oriented cranks that features aluminum alloy construction.

Trail riding can be tough on your gear. The ends of your alloy cranks can take a lot of abuse as the trail rushes underneath you and your bike. Protect your cranks from any damage with Race Face crank boots - now made in a smaller version to fit most alloy MTB cranks. Made from a durable Race Face proprietary plastic blend, leave no doubt and go with the originator in crank end protection. Wrap it up and protect the tips. Compatible with: - Race Face - Turbine Cinch - Atlas Cinch - Atlas (24mm Spindle) - Turbine (24mm Spindle) - Aeffect Cinch (175mm length ONLY) - Most other popular alloy MTB cranks (except some alloy DH cranksets)

Replacement crank bolt/puller set for Race Face NEXT XC, SIXC, and 2088 and newer Deus cranks.

Problem Solvers Crank Arm Fixing Bolts - 8mm - Sold as a pair

Secure your chainrings for your ride with Origin-8's Double/Triple Chainring Bolts. Made for double and triple chainrings, each set includes 5 male/female bolts to securely connect your chain rings to the crank. Available in black and silver, as well as aluminum or steel.

Revamp the look of your single speed cranks with some new hardware. Origin-8's Single Chainring Bolts give a high polished look to any crankset. The anodized finish comes in multiple colors to highlight your crank and makes it look as good as you do. You can also choose between steel or aluminum bolts. • Set of 5 male/female bolts • Inside measures 4mm when tightened, 7mm total height

- M30 cap with self-extracting crank bolt and washer - Compatible with 2013 and newer FSA Gossamer cranks

- Self-extracting bolts for BB30 cranks: includes puller cap that threads into BB30 crank arms - Sold as singles

Not ready for carbon? The Gossamer is a high-end crankset for alloy lovers. With an impressive history of wins on the brutal cobbles of Paris-Roubaix, it needs no further introduction—yet the details shouldn't be ignored. The cold-forged aluminum arms are heavily scalloped for the maximum strength-to-weight ratio, and the versatile BB368EVO spindle is forged from an even stronger material. The 30mm BB386 EVO spindle is compatible with virtually every frame standard available by choosing the appropriate BB. The chainrings are CNC-machined from still-tougher 7075 aluminum, then recess-machined and pinned for rapid precise shifting. Boosting overall stiffness our ABS system—Asymmetric Bolt Spacing—with the chainring bolts strategically spaced to provide optimum strength from a 110mm BCD. - Cold-forged AL6061/T6 aluminum crank arms - Forged AL7050 BB386EVO spindle - AL7075 100% CNC chainrings - Chromoly chainring bolts - Fits Shimano and SRAM 10-11 speed systems

Dimension Cyclocross Arm Sets made of 6061-T6 aluminum. - Forged AL-6061-T6 - BB Not Included - Chainrings Not Included - 110/74 BCD - Drivetrain Speeds: 10, 9, 8 - Number of Chainrings: Double - Pedal Spindle: 9/16-inch - Spindle interface Type: Square Taper JIS - Weight: 590g

Dimension Cruiser one-piece hot-forged chromoly steel cranks. - One-piece, hot-forged chromoly steel crank - Cruiser chainwheels sold separately - Requires 24 tpi American bottom bracket - Crankset has 1/2-inch pedal threading

- One-piece chromoly crankset - 24TPI - Length: 175mm - Weight: 997g

- Lower slider replacement parts for E-13 chainguides

- Service parts for E-13 chainguides

- Replacement bolt kits for mounting chain guides to ISCG and ISCG-05 frame tabs - Kits include chainline adjustment spacers - 8/12mm button head bolts for single ring steel backplate guide applications - 10/16mm flat head bolts for single ring alloy backplate guide applications

- Adapts ISCG-05 mount chainguide arms to fit flange or lockring style bottom brackets

Unleash your Power with LG1 Carbon Cranks World Cup proven for years, the Q Factor, overall profile, and volume of our Gen4 cranks have been greatly reduced, while strength and fatigue life has been dramatically improved. What wizardry is this? The engineers won't say, but the graphs and race results don't lie! The spindle has been moved to the non-drive side for easier chainguide setup and drivetrain maintenance. The adjustable chainline accommodates non-Boost, Boost, and Super Boost setups. Finally, all cranks now include an 8mm self-extractor. What's in the box: Cranks w/Self-Extractor, Installation Tools, Lockring, APS Adjuster, and Crank Boots - The lightest, purpose-built carbon Enduro and Downhill crankset - Built upon race-proven World Cup DH testing and results. Ultra-compacted carbon fiber arms are meticulously bonded to e*thirteen's Connect™ Polygon interface, which creates a robust, reliable, impact-resistant spindle-arm junction - Adjustable chainline accommodates multiple rear-axle spacing configurations, meaning you can achieve either configuration by simply placing the spacers inboard or outboard of the chainring - Carbon fiber downhill crank arms and aluminum spindle w/ Quick Connect™ lockring and Adaptive Preload Adjuster (APS), compatible with Quick Connect™ dual width Guidering M - Includes crank arm protectors, crank arm, and chainring/BB removal tools - 536g (34t M ring)

e*thirteen's TRS Race carbon crankset is crafted from lightweight components, so you can hit the trails at full speed. - Features compression molded carbon fiber crankarms and a 73mm aluminum P3 Connect spindle for superior durability and weight savings - Spindle is located on the non-drive side of the crank for easier chainguide setup and drivetrain maintenance - Crank and spindle features Quick Connect lockring and Adaptive Preload Adjuster for easy chainring installation - The adjustable chainline accommodates non-Boost (142mm), Boost (148mm), and Super Boost (157mm) - Compatible with e*thirteen's SL Guiderings (28-38t options for non-Boost and Boost frames) and UL Guiderings (30-42t options for Super Boost frames) - Compatible with the following bottom bracket standards: 68/73mm threaded BSA, PF30, BB30, BB92 - Number of Chainrings: No Rings Included - Crank Intended Use: Mountain - Pedal Spindle: 9/16" - Spindle Interface Type: e*Thirteen P3 Connect - Drivetrain Speeds: 11, 12 - Chainring BCD: Direct Mount e*Thirteen - BB Included: No

Rise and Grind with our lightest cranks ever! We applied decades of World Cup racing experience to develop our patented design for the lightest production carbon crankset we've ever made! Lightweight, 30mm spindle, APS preload adjuster, and self-extractor bring the class-leading combo to your door. - Lightest production crank on the market - Gen4 cranks have the spindle on the non-drive side of the crank for easier chain guide setup and drivetrain maintenance - Use a Boost chainring to fit non-Boost chainlines on this 68mm BB crank - Now includes an 8mm self-extractor, meaning the cranks can be removed with nothing more than an 8mm allen key - Carbon fiber crank arms and aluminum spindle w/ Quick Connect lockring and Adaptive Preload Adjuster (APS), compatible with all - Quick Connect guide rings - 385g (73mm w/32T UL chainring), 398g (68mm w/38T UL chainring)

The e*thirteen XCX Race crankset offers ultra-lightweight construction and uncompromising strength. - Features compression molded carbon fiber crankarms and a 73mm aluminum P3 Connect spindle for superior durability and weight savings - Spindle is located on the non-drive side of the crank for easier chainguide setup and drivetrain maintenance - Compatible with the following bottom bracket standards: 68/73mm threaded BSA, PF30, BB30, BB92 - Crank and spindle features Quick Connect lockring and Adaptive Preload Adjuster for easy chainring installation - Designed to be used with e*thirteen's ultra-lightweight UL Guidering (30-42t) for optimal weight savings - Number of Chainrings: No Rings Included - Chainline/Hub Compatibility: 135/142 MTB Hubs , 141/148 Boost Hubs - Crank Intended Use: Mountain - Pedal Spindle: 9/16" - Spindle Interface Type: e*Thirteen P3 Connect - Drivetrain Speeds: 11, 12 - Chainring BCD: Direct Mount e*Thirteen - BB Included: No

The e*thirteen e*spec Race Carbon Crank Arm Set is designed to work with Bosch Gen 4 eBike motors. These carbon crank arms offer a slim Q-factor and smaller overall profile, while keeping e*thirteen's proven crank technology at the forefront. - An 8mm self extractor bolt is built into both arms for easy removal - World-Cup DH-rated layup and construction - Compacted carbon fiber with an additional 3k added to front and rear faces of crank for impact resistance - Number of Chainrings: No Rings Included - Chainline/Hub Compatibility: 141/148 Boost Hubs, 150/157 Hubs - Crank Intended Use: Mountain - Pedal Spindle: 9/16" - Designed for ebike: Yes - Drivetrain Speeds: 11, 12 - Chainring BCD: Direct Mount Bosch - BB Included: No

absoluteBLACK Chainring Bolts are used to mount chainrings to the crank arms. Bolts are crafted from 7075 T6 aluminum and hard anodized for durability. - Bolts use a Torx T30 interface for greater reliability - Long bolts are used for the following chainrings: 110 BCD 4-bolt outer and inner road oval, 104 BCD oval 26/28/32t, 64 BCD round 26/28/30t, 94 BCD oval 30/32/34t, all CX round chainrings - Set of 4

absoluteBLACK Chainring Bolts are used to mount chainrings to the crank arms. Bolts are crafted from 7075 T6 aluminum and hard anodized for durability. - Bolts use a Torx T30 interface for greater reliability - Short bolts are used for the following chainrings: 104 BCD oval 34/36t, 104 BCD round 32/34/36/38t, and bashrings - Set of 4

The absoluteBLACK premium crank bolt and bolt cover sets are designed to cover the small step down between chainring and crank arms. - Designed to fit Shimano Dura-Ace 9000 cranks - Includes 4 T30 Torx bolts and 4 bolt covers - Not compatible with absoluteBLACK Sub Compact oval chainrings

The absoluteBLACK premium crank bolt and bolt cover sets are designed to cover the small step down between chainring and crank arms. - Designed to fit Dura-Ace 9100 cranks - Includes 4 T30 Torx bolts and 4 bolt covers - Not compatible with absoluteBLACK Sub Compact oval chainrings

The absoluteBLACK premium crank bolt and bolt cover sets are designed to cover the small step down between chainring and crank arms. - Designed to fit Shimano Ultegra 6800 cranks - Includes 4 T30 Torx bolts and 4 bolt covers - Not compatible with absoluteBLACK Sub Compact oval chainrings