Drivetrain Parts

The Shimano Dura-Ace RD-R9250 rear derailleur integrates the system charging port and a wireless connectivity unit all while delivering super fast, precise shifting worth of any podium. A single cage length shifts cassettes from 11-28 to 11-34, offering exceptional versatility. - Ultra-fast rear Di2 shifting - Compact design includes an integrated wireless unit, charger, switch - Wider range capacity - Max. low sprocket: 34T - CFRP rear derailleur plate - LED status indicator - Battery indicator, pairing, adjust mode etc.

Shimano's unbelievable Di2 technology has made the leap to the trails with their XTR Di2 drivetrain. This rear derailleur features all of the race-day performance you've come to expect from XTR, and the unrivaled stability, speed, and performance of an electronic drivetrain. Since there aren't any cables to stretch or housing to create friction, shift performance stays amazingly perfect, delivering flawless shifts any time, under any condition. System communication with the front derailleur eliminates chain rub and, if you prefer, the rear derailleur can be optimized to use Shimano's Synchronized Shift technology.

Using the lightest materials available, the DURA-ACE R9150 levers offer better control and confidence in race conditions. The lightweight carbon hood material, enhanced shifter layout, and increased reach adjust range are the culmination of generations of SHIMANO's DI2 refinement. Better control and confidence in race conditions - Dedicated brake lever shape, stroke, contact point, stiffness and dedicated shift paddles Lightweight - Carbon composite plastic material of hood More intuitive, quicker shifting operation - More defined click feeling and ergonomic shifting lever position Customizable function to fit any riding style - Each switch has the option for multi-shift ON or OFF - E-TUBE PROJECT Optimum power transmitted with firm grip - Ideal ergonomic cover shape with better thickness & tenderness

Flawless shifting, superb ergonomics, and state of the art technology? Shimano's Dura-Ace Di2 Dual Control Levers embody all of these concepts. Utter simplicity and ease of use are the hallmarks of these shifters, with gracefully curved lever blades that offer two, easy-to-reach fingertip buttons. The shifting controls are easily accessible from either the hoods or the drops, so you'll have total control from any position on your handlebar. The E-Tube wiring harness is simple, clean, totally waterproof, and runs beneath the bar tape for a super clean look.

Shimano dual control hydraulic disc brake levers. - More controllable and confidence in race condition - Optimally balanced hydraulic brake system for racing - Dedicated brake lever shape, stroke, contact point, stiffness and dedicated shift paddles - Lightweight - Carbon composite plastic material of hood - More intuitive, quicker shifting operation - More defined click feeling and ergonomic shift lever position - Customizable function to fit any riding style - Each switch has the option for multi-shift ON or OFF - E-TUBE project - Optimum power transmitted with grip firmly - Ideal ergonomic cover shape with better thickness & tenderness - Openable hood cover - Simple set up and maintenance - Easy replace hood cover - Openable hood cover - Customizable the function to fit in rider's riding style

Zipp's Vuka Shift AXS 90 is more than an aero extension; it's a complete shifting system. Think of it as a supremely efficient solution to house the brains of your SRAM RED or Force eTap AXS time trial or triathlon bike. The Vuka Shift AXS 90 cleanly houses your aerobar extensions, shift-control, and head unit in one neat and clean package. This approach solves an emerging problem of the age of electronic shifting. The time for system integration is now—with this seamless solution. The extensions themselves feature the pro-proven Vuka Evo shape with a 90mm rise. The Vuka Shift AXS 90 is compatible with more than 90 percent of the integrated aerobar systems currently on the market. - AXS Integrated Aerobar shifting system - Length is trimmable, 10mm at front and 90mm at rear - Integrated Garmin/Wahoo/Bryton computer mount - Ships with SRAM Clics extension-end shifters and Blips shifting buttons for brake-lever position shifting - More than an aero extension, this is an integrated shifting system for the modern triathlon/TT bike - Cleans up your aero cockpit for simplicity and optimized aero efficiency

The SRAM RED eTap rear derailleur executes shifts the instant you demand it, with military precision. Wirelessly. It’s easy to set up, clean in appearance and delightfully uncomplicated. Mechanical necessities such as a carbon pulley cage, ceramic pulley bearings, and anodized alloy artfully blend with proprietary electronic advancements to deliver a shifting wonder. - Compatible with SRAM RED eTap shift/brake controls - Max tooth size: short-cage - 28T; mid (WiFLi) cage - 32t - SRAM RED eTap shifting logic - Wireless connection via AIREA network for fast and clean installation - Exact Actuation provides precise gear selections - Designed to work with SRAM PowerGlide and PowerdomeX cassettes - Speeds: 11-speed - Weight: 239 grams (short cage with battery) - Outer Cage: Carbon - Compatibility: SRAM RED eTap, PowerdomeX & PowerGlide Cassette - Inner Cage: Carbon - Finish: Black - Pulleys: Ceramic - Pull: Exact Actuation NOTE: Does not include eTap battery. Compatible with existing eTap batteries.

The best just got better. SRAM takes shifting and braking to breathtaking heights with the elegant Red DoubleTap Control Levers. Because you're able to shift from the hoods, drops, and even when sprinting, the Red levers offer a competitive advantage that can't be touched. The carbon levers are incredibly light and the single-lever-shifting design allows for faster, smoother shifts while being completely independent of the brake levers, eliminating the possibility of braking when you shift. Plus, the front shifter is equipped with trim modulation for smooth pedaling in any gear combination. And, with innovative features like adjustable reach and dual cable routing, you can optimize your setup for a truly custom ride!

- Optimum Power Transfer - Best Balance For Lighter Weight (-7G) And Efficiency - New Designed Crank Arm - Maintains High Rigidity And Reduces Weight - Hollowglide - 4-Arm Construction Crankset - Adapted For Race Specific Disc Brake System - Shorter Length Of Rear Center With O.L.D. 135mm - Redesign The Gear Teeth Profile To Fit Wider Gear Pitch - 50-34T/53-39T/54-42T/55-42T/52-36T - Iconic Design - Chain Line: 43.5

The Shimano Dura-Ace FC-R9200 crank performs two vital functions; transferring your pedaling effort into the drivetrain and ensuring the fastest, most precise front shifting available. With HOLLOWTECH II crank arms to ensure light weight and Shimano's class-leading chainring designs, the FC-R9200 won't let you down. - 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

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

- Ergonomic Shifting Operation Without Stress - Shimano Synchronized Shift - Low Profile Rear Derailleur Design - Shimano Shadow Rd - Race Endurance For Less Damage In Crush - Maintains Compact And Smooth Appearance - Maximum Sprocket: 30T - Minimum Sprocket: 11T - Maximum Front Difference: 16T - Total Capacity: 35T

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

Designed specifically for use with H11 groupsets. Full Carbon crank arms and spider are hollow for maximum stiffness and minimal weight. Utilizes USB ceramic ball bearings. Light weight hard anodized alloy chainrings and alloy chainring bolts. Utilizes Campagnolo's Ultra-Torque crank system. - Ultra-Torque axles couple together in the middle of the BB shell via a Hirth Joint that self centers the crank. This results in a very light weight and stiff system that transfers power to the pedals without power loss - Features Campagnolo X.P.S.S. (eXtreme Performance Shifting System) featuring geometrically optimized chainring teeth. Optimized when mated to a full Campagnolo drivetrain - USB ceramic bearings increase smoothness and decrease rolling resistance, weight and the need for maintenance. USB bearings are 50% smoother than standard Campagnolo bearings - Ultra-Torque system have both drive and non-drive side bearings pre-installed - Double standardized bolt circle diameter allows for use of standard, mid-compact and compact chainrings - Required for use with H11 Ergopower shift levers, the crank spider is shifted outward to adjust for 135 and 142mm hub spacing while maintaining the Q-Factor - Requires use of Ultra-Torque bottom bracket cups

The SRAM RED 1 AXS crankset features exceptional 1x drivetrain design. It provides the simplicity and tighter gearing range that is well-suited for road racing and riding in flatter terrain, where a wide range would go unused. The crankset is designed specifically for electronic shifting and can be upgraded to a power meter. - Single-ring drivetrain simplifies functionality and reduces weight - SRAM X-SYNC wide-tooth, narrow-tooth chainring technology provides maximum chain control

Campagnolo's Super Record EPS Braze-On Front Derailleur delivers electronic precision to your front shifts. Hammer into the big ring and surge forward with a mere touch of a button, under heavy load or out of the saddle it's still as smooth as a dream. An aluminum internal cage plate and external carbon cage is powered by a servo motor to provide the incredibly quick shifting. It's versatile too, working with both standard and compact cranksets and auto-trimming to eliminate chain rub. - Drivetrain speeds: 11 - Derailleur capacity: 16T - Max ring (teeth): 55T - Double or triple: Double - Waterproof to 1 meter for 30 minutes (IP67 rated) - Weight: 127g

Shimano's heralded XTR moniker promises genre-defining performance, weight, and style. Shimano's XTR Hollowtech II Trail 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.

For flawless shifting and maximum power transfer, Campagnolo brings you the Super Record 11-Speed Cassette. Its largest 6 cogs are constructed from titanium to save weight, while the other 5 are made of nickel-plated steel for durability. The cogs are mounted on a light and rigid aluminum carrier, and the cassette is secured to the rear wheel with a feathery aluminum lockring.

Fully wireless electronic shifting. Fully hydraulic disc braking. The SRAM RED eTap AXS HRD shift-brake system is the future. And the future is custom. AXS enabled and easily personalized for hand size and reach, this is the best shifting and braking experience — for all riders. - AXS-enabled for easy personalization - Simple and intuitive eTap shift logic - Personalize for your hands and preferences using the Contact Point Adjustment and separate Reach Adjust with HydroHC brake platform - Newly textured shift paddles and hoods for a better feel - Two ports for Blips on each lever - Bleeding Edge technology for easy and clean brake bleeds - Available in flat mount and post mount caliper options

- More powerful shifting (+25% compared to M9000) - Reliable gear changes under load - Computer controlled auto trim - Optimized Di2 cage profile and gear tracking - Shimano Synchronized Shift compatible - Manual control avaiable (2nd shifter required) - System communication with rear derailleur - Advantage in all conditions - Modular mounting structure (adapters optional)

The SRAM RED shift-brake controls feature a fresh new look and continue our philosophy of perfecting the interface between rider and bike. We have scrutinized everything, including the transition between handlebar and hoods, the grip texture, finger wrap, and the separate interfaces with both the shifter and brake lever. The result is an extremely comfortable, highly individual fit that makes the shift-brake controls feel like a natural extension of the rider. - SRAM Road 11-speed compatible - New clamp allows better fit and adjustment for modern carbon and ergo bars - Designed for Yaw front derailleurs - ErgoFit textured body improves grip and finger wrap with reduced diameter, providing better control and a better transition to the bar - Individual Reach Adjust of brake and shift lever is easy to access and uses a standard hex key, putting the controls exactly where you want them - Larger carbon ErgoBlade lever improves shifting from the drops - DoubleTap technology delivers both shifts from a single lever - ZeroLoss shifting means shifts engage immediately - Compatible with cable brakes

Despite its smaller, lighter design, the Shimano Dura-Ace FD-R9250 offers ultra-fast front shifting. - Fast Di2 shifting performance - Smaller, sleeker, lighter - Frontal area is smaller than previous designs to reduce aerodynamic drag - Top gear teeth capacity: 50-55t - 61-66 degree chainstay angle - Includes 1 SD300 port

- Ergonomic Shifting Operation Without Stress - Shimano Synchronized Shift - Race Endurance For Less Damage In Crush - Quick And Smooth Front Shifting "Under" High Pedaling Torque - Maintains Compact And Smooth Appearance - Top Gear Teeth: 46-55T - Chain Stay Angle: 61-66° - Chain Line: 43.5mm

Shimano Ultegra ST-R8150 levers combine the accuracy of Shimano 12-speed Di2 shifting with the light weight of rim brakes. - Quick and intuitive shifting - Clearly defined click feeling with ergonomic shifting lever - Better bike control and confidence in race conditions - Hood shape and texture optimize grip and brake power transmission

The XG-1295 cassette carries with it the X-DOME architecture, which, independent tests have concluded, yields the strongest cassettes on the market. Shifting characteristics improve both inboard and outboard shifting as well as chain retention. - SRAM’s cassette manufacturing technology provides the greatest durability and lightest weight - All-new shifting features create a smoother, quieter system with enhanced inboard and outboard shift performance - XD driver body compatible Cogs - 10 – 50T: 10, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 50 - 10 – 52T: 10, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 52

With the fast and accurate Di2 shifting technology, the Shimano 12-speed Ultegra RD-R8150 rear derailleur is extremely versatile thanks to a single cage length option compatible with 11-28, 11-30, and 11-34 cassettes. - Compact design includes an integrated wireless unit, charger, switch - Wider range capacity - Max. low sprocket 34t - LED status indicator - Battery indicator, pairing, adjust mode etc.

Shimano XTR CS-M9100 cassette features better chain retention and ground clearance. This cassette is built with a strategic application of aluminum, titanium, and steel materials for an optimal blend of weight savings, rigidity, and durability. - Compatible with Shimano Hyperglide+ chains - Hyperglide+ technology offers better chain engagement, stronger retention, and smoother pedaling for greater power and confidence over rapidly changing terrain - Micro Spline technology delivers lightweight aluminum freehub body to reduce weight and utilize a 10 tooth top gear - The Wide Range XTR M9100 cassette option offers 510% gear range - Can only be used for 1x12 set ups with the long cage rear derailleur - The CS-M9100 cassette meets durability requirements for E-MTB applications

The Shimano GRX Di2 Dual Control Lever delivers light and responsive shifting for mixed-terrain riding. The ergonomic shifter design improves comfort, and the textured, anti-slip brake lever increases control on bumpy terrain. The Di2 version offers the digital precision of Shimano synchronized electronic shifting. - Excellent heat dissipation - Flat mount and anti-mud specification - Convenient tool access - Simple wheel replacement - Easy and clean bleeding system - Never hesitate to tackle rough surfaces - Simple set up and maintenance - Raised hood head prevents hand misalignment and slippage - Recessed finger notch prevents upward slipping - Anti-slip texture and brake lever coating - Improved braking input performance - Higher brake lever axis and curved brake lever - Improved grip and confidence on choppy surfaces and descents - Higher braking efficiency reduces fatigue on long rides

Shimano Ultegra ST-R8020 mechanical shift and hydraulic brake dual control lever and BR-R8070 flat-mount brake caliper. This dual control lever features Servowave brake lever technology, making initial pad travel very fast, so little lever movement is needed to bring the pads into contact with the rotor. The power multiplication factor then increases rapidly at the pad-to-rim contact so more of the lever stroke is used to apply greater braking power with improved control. - The double hydraulic brake/mechanical shift lever is equipped with a reach adjust mechanism, meaning the distance from the handlebar grip to the lever can be adjusted to suit any hand size - Servowave brake technology means instant response and maximum modulation. - The Ultegra BR-R8070 flat-mount caliper is designed with one way bleeding technology which prevents air from entering the system and is easy and clean to maintain - Caliper also features Shimano's Ice Technology to reduce heat buildup for constant, stable braking

Campagnolo is all about drivetrain evolution, and their Chorus Crankset proves it. The full-carbon cranks and 4-arm spider feature a unified bolt pattern that allows for all three chainring standards. This design incorporates an 8-bolt pattern with a spider arm that not only holds the chainring in place by way of the bolt, but also supports the chainring to increase system rigidity. The crank arms and spider are hollow for maximum stiffness and minimal weight. The integrated Ultra-Torque spindle joins the crankset together via a toothed Hirth joint in the center. - Chainring BCD: Campagnolo 146 Asymmetric, Campagnolo 112 Asymmetric