Cranksets/Chainrings/Bottom Brackets

When SRAM found ways to make their lightest and stiffest crank even lighter, they went for it. A new optimized layup drops 29g from the hollow carbon arms. Plus they're offering more crankarm lengths than ever before to ensure this crank works for you.

• Carbon crank arms are 29g lighter than previous generation
• 8-bolt interface compatible with power and non-power AXS spiders and integrated chainrings (Chainrings sold separately)

When SRAM found ways to make their lightest and stiffest crank even lighter, they went for it. A new process further grams from the hollow carbon arms. Plus they're offering more crankarm lengths than ever before to ensure this crank works for you.

- Hollow carbon crank arms are 29g lighter than previous generation
- 8-bolt interface compatible with power and non-power AXS spiders and integrated chainrings (Spiders and Chainrings sold separately)
- DUB bottom bracket adds durability and simplicity (Sold separately)
- Includes DUB Wide Spacer kit (2.5/3.0/4.5/5.5 mm)
- 150mm Q-factor / 47.5mm chainline

Enjoy the ultimate advantage of freedom and adventure that Eagle provides combined with the Quarq power meter platform that delivers on accuracy and reliability. The SRAM Eagle XX1 power meter is built to pair with the SRAM Eagle drivetrains, providing a significantly quieter performance and extraordinary durability. Take it on the dirtiest, gnarliest trails while maintaining confidence in your cycling components. You came to perform; the Eagle XX1 power meter will perform with you. You are working hard, pushing yourself to new heights in some of the toughest conditions. Ride with confidence knowing that your power meter will not quit when you need it the most. Enjoy up to 200 hours of ride time in any weather or trail condition with its IPX7 waterproof rating and 10k temperature compensation; if harsh environments do not hold you back, then you need a product capable of rising to the occasion. The Eagle XX1 power meter is designed to be rough-and-tumble tough. Train harder, ride faster and unlock your ultimate potential. The Eagle XX1 power meter brings simplicity and ease-of-use to your training. With MagicZero automatic calibration, there is no need to worry about calibrating before you ride; just jump on your bike and go. The Eagle XX1 also features Bluetooth low energy and ANT+ wireless data transfer, delivering power output information directly to your cycling computer. - Speeds: 11/12 - BB Compatibility: DUB:BSA73, PF89.5, PF92, PF30 MTB73, BB30 MTB73, BSA MTB68SP - Bolt Circle Diameter (BCD): 104 BCD - Chainline: 52.0mm - BB Spindle Interface: DUB - Power Meter Type: ANT+ and BLE - Crank Arms/Chainrings not included

Shimano Altus M311 cranksets provide durability and reliable shifting for triple chainring drivetrains. - Hyperdrive SG-X chainrings - 7/8-speed compatible - Spindle interface type: Square Taper JIS

Compared to the power transfer of the conventional square taper spindle, the 8-splined OCTALINK interface that connects the bottom bracket and crankset increases the strength and rigidity for the entire assembly.

Shimano XT Left Crank Arm - Spindle Interface Type: Hollowtech II

Shimano Acera FC-M361 cranksets feature sturdy construction, reliable shifting, and replaceable chainrings. - Spindle Interface type: Square Taper JIS

RaceFace Ride crank arms are forged from 6066 aluminum with aggressive styling for a high strength to weight ratio. - Bottom bracket sold separately

Genuine replacement parts Use original bottom brackets for optimal functionality. Prowheel: Crank it up! - Prowheel PW-BB73+ - Shell Width: 68/73mm for MTB - Compatible with BC1.37"x34T BB Cups with 24mm diameter spindle - Compatible with Shimano Hollow Tech II cranksets

SRAM's road chainrings are stamped from 7075 aluminum for low weight and excellent strength. The teeth are ramped for precision shifting, too.

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

Surly's Stainless Steel Chainrings last longer than their aluminum brethern because the 304 grade metal they use is 35% stronger. The rings aren't pinned or ramped so when one side starts to wear you can flip it around and pedal some more! They work great with singlespeed, fixed, and 1x9 applications, and the teeth are 2.1mm thick so they work well with 9-speed chains.

The Wheels Mfg BB30 Outboard bottom bracket will give you all of the same benefits as their other Outboard style BBs. The two machined aluminum cups thread together ensuring the bottom bracket remains stable in the frame, increasing bearing life, and simplifying maintenance. This means no more creaking, smoother operation, longer bearing life, and really quick bearing replacement. Specifically designed for installing 24mm spindle diameter cranks (Shimano, FSA, Etc.) in BB30 frames without the need for adapters. - Bearings: Enduro ABEC-3 - Color: Red - Bottom Bracket/Frame Interface: BB30, Specialized Alloy OSBB - Bottom Bracket Shell Width (mm): 68mm - 73mm - Bottom Bracket Shell I.D.: 42mm - Crank Spindle Type: Shimano Hollowtech II, FSA MegaExo, RaceFace EXI - Crank Spindle Diameter: 24mm - Weight: 130g

The SRAM DUB bottom bracket series has a simple job—to connect crankarms and protect the smooth, long-lasting application of power to the drivetrain. SRAM engineered the oversized DUB spindle to work across every bottom bracket standard, simplifying crankarm compatibility. - Gutter Seal Technology drastically improves sealing against the elements - Sealed cartridge bearings - One oversized spindle to work across every bottom bracket standard

- Ceramic bottom bracket for DUB spindle cranks Specs: - BB Shell Type: BB92 - BB Shell Width: 89/92mm - BB Bearing: Ceramic - Crank Spindle Diameter: 28.99mm - Interface: DUB - Cup Diameter: 41mm

The game-changing DUB family goes ceramic. While DUB has been simplifying the game, eliminating compatibility frustration and confusion for years, the DUB ceramic bottom bracket gives riders an additional option for even more silky-smooth performance. This is a whole other level in bottom bracket friction reduction, thanks to its high efficiency, ceramic bearings. What's more, the DUB ceramic bottom bracket can help riders save precious rotational energy without sacrificing the kind of robust seals required for real MTB and road racing scenarios. - High-efficiency ceramic bearings save riders rotational energy - Silky smooth, without sacrificing robust seals required for real-life durability MTB and racing scenarios - One oversized spindle to work across every bottom bracket standard - PF30 BB386 (Road: 86.5mm) Specifications: - Spindle Interface Type: SRAM DUB - Bottom Bracket Shell I.D.: 46 - BB Shell Width (mm): 86 - Defined Color: Black - BB/Frame Interface: 386 EVO - Weight: 150

The SRAM DUB bottom bracket series has a simple job- to connect crankarms and protect the smooth, long-lasting application of power to the drivetrain. SRAM engineered the oversized DUB spindle to work across every bottom bracket standard, simplifying crankarm compatibility. - Gutter Seal Technology drastically improves sealing against the elements - Sealed cartridge bearings - One oversized spindle to work across every bottom bracket standard - Significantly lighter than GXP system

The SRAM DUB bottom bracket series has a simple job—to connect crankarms and protect the smooth, long-lasting application of power to the drivetrain. SRAM engineered the oversized DUB spindle to work across every bottom bracket standard, simplifying crankarm compatibility. - Gutter Seal Technology drastically improves sealing against the elements - Sealed cartridge bearings - One oversized spindle to work across every bottom bracket standard

The SRAM DUB bottom bracket series has a simple job—to connect crankarms and protect the smooth, long-lasting application of power to the drivetrain. SRAM engineered the oversized DUB spindle to work across every bottom bracket standard, simplifying crankarm compatibility. - Designed for use with SRAM Wide Cranksets - Gutter Seal Technology drastically improves sealing against the elements - Sealed cartridge bearings - One oversized spindle to work across every bottom bracket standard

The SRAM DUB bottom bracket series has a simple job—to connect crankarms and protect the smooth, long-lasting application of power to the drivetrain. SRAM engineered the oversized DUB spindle to work across every bottom bracket standard, simplifying crankarm compatibility. - Compatible with Cannondale Ai frames - Gutter Seal Technology drastically improves sealing against the elements - Sealed cartridge bearings - One oversized spindle to work across every bottom bracket standard

The SRAM DUB bottom bracket series has a simple job—to connect crankarms and protect the smooth, long-lasting application of power to the drivetrain. SRAM engineered the oversized DUB spindle to work across every bottom bracket standard, simplifying crankarm compatibility. - Gutter Seal Technology drastically improves sealing against the elements - Sealed cartridge bearings - One oversized spindle to work across every bottom bracket standard

The SRAM DUB bottom bracket series has a simple job—to connect crankarms and protect the smooth, long-lasting application of power to the drivetrain. SRAM engineered the oversized DUB spindle to work across every bottom bracket standard, simplifying crankarm compatibility. - Compatible with Cannondale Ai frames - Gutter Seal Technology drastically improves sealing against the elements - Sealed cartridge bearings - One oversized spindle to work across every bottom bracket standard

The new SRAM DUB bottom bracket series has a simple job: connect your crankarms and protect the smooth, long-lasting application of power to your drivetrain. To allow that singular focus, we've engineered the DUB spindle to be the one true unifying component. One oversized spindle to work across every bottom bracket standard. For better crankarm compatibility. For better protection from the elements. For longer-lasting performance. To be stronger, smoother, simpler. Now, back to the ride. - One oversized spindle to work across every bottom bracket standard - Greater bearing durability

The new SRAM DUB bottom bracket series has a simple job—connect your crankarms and protect the smooth, long-lasting application of power to your drivetrain. To allow that singular focus, we’ve engineered the DUB spindle to be the one true unifying component. One oversized spindle to work across every bottom bracket standard. For better crankarm compatibility. For better protection from the elements. For longer-lasting performance. To be stronger, smoother, simpler. Now, back to the ride. - One oversized spindle to work across every bottom bracket standard. - Significantly lighter than PFGXP system - Easier installation by allowing you to press the bearing cups into the frame - Easy installation - Two fully sealed cartridge bearings - ISO 4210 compliant. See Declaration of Conformity for details. - BB-frame interface PressFit (Road: 86.5mm) - Crank-BB interface DUB - Bearing type Standard - Spindle diameter DUB - Cup material Steel

Shimano Ultegra 6800 11-Speed Inner Chainrings - Material: Aluminum - Ring Position/Type: Inner

The SRAM DUB bottom bracket series has a simple job—to connect crankarms and protect the smooth, long-lasting application of power to the drivetrain. SRAM engineered the oversized DUB spindle to work across every bottom bracket standard, simplifying crankarm compatibility. - Compatible with Cannondale Ai frames - Gutter Seal Technology drastically improves sealing against the elements - Sealed cartridge bearings - One oversized spindle to work across every bottom bracket standard

- Ceramic bottom bracket for DUB spindle cranks Specs: - BB Shell Type: BB30 - BB Shell Width: 68/73mm - BB Bearing: Ceramic - Crank Spindle Diameter: 28.99mm - Interface: DUB - Cup Diameter: 42mm

The SRAM DUB bottom bracket series has a simple job—to connect crankarms and protect the smooth, long-lasting application of power to the drivetrain. SRAM engineered the oversized DUB spindle to work across every bottom bracket standard, simplifying crankarm compatibility. - Designed for use with SRAM Wide Cranksets - Gutter Seal Technology drastically improves sealing against the elements - Sealed cartridge bearings - One oversized spindle to work across every bottom bracket standard

The SRAM DUB bottom bracket series has a simple job- to connect crankarms and protect the smooth, long-lasting application of power to the drivetrain. SRAM engineered the oversized DUB spindle to work across every bottom bracket standard, simplifying crankarm compatibility. - Gutter Seal Technology drastically improves sealing against the elements - Sealed cartridge bearings - One oversized spindle to work across every bottom bracket standard - Significantly lighter than GXP system - Asymmetrical fit is Cannondale specific - Aluminum press-fit cups are lightweight - Integrated adjuster