Drivetrain Components

Ultegra RX brings Shimano's pioneering chain stabilizing technology to road cycling, delivering smooth and precise shifting over technical terrain. It expands road bike capabilities, inspiring confidence on any surface and drives the evolution of road cycling to include greater elements of adventure. No longer is the road bike narrowly defined. Shimano Ultegra RX broadens the notion of drop bar riding and emboldens cyclist to explore further. - Chain Stabilizer mechanism adopted from MTB design - Stabilizer ON/OFF switch - Compatible with current road dual control lever - Shadow RD technology - Direct mount compatible - Maximum cog size: 34t - Total capacity: 39t

The Shimano Deore XT CS-M8100 12-speed cassette is optimized with rider-tuned wide-range and close step gear combinations for MTB excellence. - Shift ramp designs provide fast and smooth shifts by HYPERGLIDE+ technology - Light and stiff construction reduces cassette inertia resulting in faster acceleration and increased chain security - Designed with a Shimano Micro Spline body that features smaller and more widely distributed splines to limit cog damage on freehub - Cassette Body Type: Shimano Micro Spline - Cassette Cogs: 10-12-14-16-18-21-24-28-33-39-45-51 - Drivetrain Speeds: 12 - Range: 10-51

The Shimano Deore XT CN-M8100 12-speed chain is optimized for use with the Deore XT M8100 MTB drivetrain system. - HYPERGLIDE+ technology dedicated chain delivers greater chain retention, improved shifting efficiency, and smoother transmission over rough terrain - Extended inner plate improves chain engagement - Reduced shift times and pedaling shock - Includes Non-reusable Shimano Quick-Link (SM-CN910-12) - Links (links): 126 - Color: Silver - Drivetrain Speeds: 12 - Weight: 252 g

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

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. Features - One oversized spindle to work across every bottom bracket standard. - Greater bearing durability - Easy installation - Threaded internal cups for an integrated look

The high torque loads of E-MTBs require tough components. The straighter chain line EX1 offers allows the use of a chain that is wider and more robust than those found on drivetrains not specifically engineered for E-MTBs. The EX1 chain has been engineered to run quiet across the gear range and transmit more power to the rear wheel. - EX1 chain is wider and designed for the high-torque, heavy-duty use of E-MTB - Compatibility: 10-speed - Chain length: 144 links

The high torque loads of E-MTBs require tough components. The straighter chain line EX1 offers allows the use of a chain that is wider and more robust than those found on drivetrains not specifically engineered for E-MTBs. The EX1 chain has been engineered to run quiet across the gear range and transmit more power to the rear wheel. - EX1 chain is wider and designed for the high-torque, heavy-duty use of E-MTB - Closing Link: PowerLock - Outer Plate: Nickel - Inner Plate: Polished - Pin Treatment: Chrome hardened - Rivet Type: Solid pin - Recommended Group: EX1

Beyond an incremental improvement. The Flattop technology of the SRAM Force chain creates a lighter, quieter, stronger chain. Ride far, long and fast—this chain can go the distance. - Flattop technology allows for a narrower chain with quieter operation and increased strength and durability - Hard Chrome plated inner and outer plates for faster and more precise shifts

Explore the most challenging routes on the newest crop of versatile and fun drop-bar bikes with the SRAM Force 43/30T wide crankset. Shifting is smooth, accurate, and dependable using our proven X-Range gearing based around a tight, 13T difference between the small and big chainrings. The wider stance of the chainrings expands 2x drivetrain bike capabilities by providing clearance for fatter tires. - X-Range gearing technology gives you more range and a smoother gear progression, so you're always in the right gear - Crisp and accurate front shifts - Wide chainline crankset for bikes with up to 700c x 45 or 27.5 x 2.1" tire widths (43/30 chainrings only) - Longer DUB crank spindle accommodates both Road and MTB width frame bottom bracket standards for unmatched cross-compatibility across brands - Requires Force Wide front derailleur - DUB bottom bracket adds durability and simplicity

Designed for the next generation of drivetrains and the next generation of riders. The SRAM Force XG-1270 cassette is optimized for electronic shifting and features our X-Range gearing technology. Smooth, precise shifts, from 10T on up. - Features at least five one-tooth jumps for a smoother gear progression - 10-tooth start helps provide a wider gearing range - Designed to work with an XDR driver body - MINI CLUSTER construction reduces weight and increases durability - All Zipp wheels starting from 2012 are XDR-ready - SRAM Force XG-1270 cassettes sold prior to 2021 have a black finish. In 2021, the design was updated to a nickel-chrome finish.

One rear derailleur to rule them all. The SRAM Force eTap AXS rear derailleur is designed for both 1x and 2x systems. It capitalizes on X-Range gearing technology for enhanced range and chain management and features larger pulleys for improved durability and efficiency. Strong, smooth, quiet and AXS enabled. - SRAM AXS enabled, allowing easy personalization - Orbit chain management technology keeps the drivetrain quiet and secure - A single rear derailleur for all gearing combinations, including 1x and 2x - Larger X-SYNC pulleys for increased durability and efficiency - NOTE: Does not include eTap battery. Compatible with existing eTap batteries.

The chain is the heart of the Eagle 1x12 drivetrain, ensuring quiet operation, long life and precise shifting. It features the same link geometry as XX1 Eagle, with solid pins and a more modest finish treatment. - Not for use with front derailleur drivetrains - Links (links): 126 - Drivetrain Speeds: 12 - Chain Connection Type: Single Use Master Link - Half Link Chain: No - Weight: 260 - Compatibility: All levels of Eagle drivetrain systems

Rugged durability comes naturally to the Eagle T-Type direct mount chainring. Finished with a distinct, dual-spoke design your shifting will never be compromised. Available in three different tooth counts, there is ample room to refine and customize your bike’s feel. - 8 Bolt direct mount - 30-38T range and +3mm offset variants - Compatible with T-Type chains

SRAM's GX 2x10 rear derailleur provides incredible shifting speed and precision. Exact Actuation technology eliminates slop and shifting variation. Roller Bearing Clutch technology delivers maximum drivetrain stability—even through the most punishing terrain. And with Cage Lock technology, wheel removal and installation are easier than ever.

SRAM's GXP Team PressFit MTB Bottom Bracket Cups are the premium choice for getting the most out of every pedal stroke. They feature smooth bearings that keep drag to a minimum and seals that keep debris out. Plus, these BB cups press directly into the frame without having to be threaded in for reduced weight and enhanced durability.

Original equipment on SRAM and Truvativ cranks, these chainrings also work well with other drivetrains.

The basis of every Eagle drivetrain is its chain—and the NX Eagle chain is designed and manufactured using genuine SRAM Eagle architecture, so it is fully compatible with every other component in the Eagle ecosystem. The NX Eagle chain features solid pin construction, Eagle PowerLock, and smooth, efficient shifting that you can count on every time out. Features/Specs - Eagle PowerLock chain connector with FLOW LINK technology provides better chain-guiding and increased longevity - Unique features and design also provide significantly improved wear resistance on Eagle cassettes and rings - Weight: 278g (126 links) - Material: steel - Speeds: 12 - Compatibility: All levels of Eagle drivetrain systems

SRAM's 1170 11-Speed Cassette is constructed of light, durable materials and boasts SRAM's PowerGlide tooth profiles and shift ramps for quick, positive gear changes. This excellent cassette also sports a semi-spider construction for a maximum stiffness-to-weight ratio, a lightweight aluminum lockring, and is available in three ranges to suit all your riding.

Ride anywhere with the wide-range PG-1230, 11- to 50-tooth Eagle cassette. The NX cassette gives riders every bit of the climbing range that the Eagle ecosystem affords with a simple upgrade to splined-drive body wheels. The PG-1230 is the only Eagle cassette designed to be durable enough to withstand the increased demands of E-MTB applications and a perfect solution to heavy-duty use and abuse. Eagle technology provides an expanded, optimum gear range making you fast on the flats, giving you control on the climbs and unleashing your speed on the descents. Eagle is a complete drivetrain system that was developed to be an integrated high-performance ecosystem. The engineering and testing that went into the development provide for maximum performance, safety, and long-term durability to ensure a great consumer ride experience. SRAM guarantees this performance when Eagle drivetrains are used as a complete ecosystem. For additional information, please contact your SRAM Sales Contact. - Compatible with a splined driver body - Wide 11-50T gear range—a perfect fit for any ride - Optimized gear steps across entire range - 11-50T: 11, 13, 15, 17, 19, 22, 25, 28, 32, 36, 42, 50

SRAM's PG-730 7-Speed Cassette is the perfect replacement for your worn-out gears. It features a rugged steel construction for awesome durability and SRAM's PowerGlide technology for smooth, precise shifts throughout its 12-32 tooth range.

When it's time to replace your 9-speed cassette, check out SRAM's PG-950 cassette. It delivers solid shifting and durability ride in and ride out for your 9-speed rig.

The all-new SRAM RED chain was redeveloped from the ground up. The unique link shape allows the chain to be narrower and lighter while increasing strength and providing more space between the outer plates of the chain and the cogs on either side. The result: a quieter chain with faster, more precise shifts. - Flattop technology enables a narrower chain with quieter operation and increased strength and durability - Hard Chrome plated inner link plates and rollers for reduced wear and prolonged life - HollowPin construction for increased strength and efficiency - Chain length: 114 links

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

The heart of the connected cadre. The SRAM RED eTap AXS rear derailleur is AXS enabled for easy personalization and designed for both 1x and 2x systems. Advanced chain management keeps it silent and secure no matter the terrain. The derailleur also comes with faster pulleys, bearings, motors, and signals, improving speed in every way. - SRAM AXS-enabled for easy personalization - Orbit chain management technology keeps drivetrain quiet and secure - A single rear derailleur for all gearing combinations, including 1x and 2x - Improved motor and signal travel for faster shifting - Larger X-SYNC pulleys and ceramic bearings for increased durability and efficiency - Compatible with existing eTap batteries - Battery sold separately

The Flattop technology of the SRAM Rival chain creates a lighter, quieter, stronger chain that's compatible with 12-speed 1x and 2x eTap AXS drivetrains. Ride far, long, and fast. This chain can go the distance. - Flattop technology allows for a narrower chain with quieter operation and increased strength and durability - Use for both 1x and 2x eTap AXS - Includes Flattop PowerLock

Our premier X-Range gearing; which utilizes tight jumps between chainrings and a 12-speed, wide range, 10-tooth start cassette; is now available for Rival. This includes new cassettes that feature smooth, precise shifting in ranges that cover road, gravel, and everything in between. - X-Range gearing gives you more range and a smoother gear progression, so you're always in the right gear - Nickel chrome plating for quiet and durability - FULL PIN construction for durability and light weight - Designed to work with an XDR driver body

On any surface you can imagine, in any drivetrain configuration, the Rival eTap AXS rear derailleur will handle it. Secure chain management and fast, precise shifting make for a smooth and quiet ride, every time. - Wireless electronic eTap shift logic for intuitive shifting, easy setup, and reliability - Compatible with both 1x and 2x drivetrains - 36T cog max derailleur works with 10-28T, 10-30T, 10-33T, and 10-36T cassettes - SRAM AXS-enabled, allowing easy personalization - Spring clutch keeps the drivetrain quiet and secure - X-SYNC pulleys for increased durability and efficiency - 36T max rear cog - Battery Not Included

The Rival eTap AXS wide front derailleur is optimized for smaller X-Range chainrings on wide cranks and uses Yaw technology so there's no need for trim. Its wider position on the bike also provides clearance for extra wide tires, so you can venture far beyond the beaten path. - Wireless electronic eTap shift logic for intuitive shifting, easy setup, and reliability - For wide cranksets with 43/30T chainrings - Additional clearance for 700x45c and 27.5x2.1" tires - Crisp and accurate front shifts - AXS enabled for easy personalization - Battery Not Included

SRAM's PowerGlide PG-820 Cassette is a fine 8-speed cassette. It features steel cogs with SRAM's DuraBlast technology for smooth, precision shifting and excellent durability.

The SRAM RED AXS 12-speed Flattop Chain features a unique link shape that allows the chain to be narrower and lighter while increasing strength and providing more tolerance between cogs. Flattop technology enables a narrower chain with quieter operation and increased strength and durability Compatible only with eTap AXS rear derailleurs Hard Chrome plated inner and outer plates allow for faster and more precise shifts HollowPin construction provides increased strength and efficiency Requires Flattop Powerlock chain connector For riders who want to customize their ride with a little extra bling, SRAM now offers a limited edition rainbow finish version of the RED Flattop chain.