Rear

Shimano's Deore XT Rear Derailleur uses cold-forged construction and cutting edge technology to deliver crisp shifting, real-world reliability, and trademark precision. Plus-type derailleurs use a lever-actuated clutch spring to prevent chain slap, reduce noise while on the trail, and improve chain engagement when riding over rough terrain. Sealed pulley bearings keep things spinning smoothly, and wide plate construction prevents the derailleur from getting clogged with mud and debris.

Elevating the shift, expanding the capable, the X01 Eagle derailleur features an updated cage architecture to provide better chain management than ever. The X01 Eagle rear derailleur works with the new 10-52T cassettes and is backward-compatible with 10-50T options, as well. - Updated cage provides better chain retention and more precise shifts - Backward-compatible design works with 10-50T and 10-52T cassettes

Shimano's Tourney long cage rear derailleur incorporates advanced Shimano functions and styling that sets the standard for entry level components. - TY model comes with resin bracket and plate body for reduced weight - Zinc-plated adjustment screws for corrosion resistance - MegaRange compatible - Includes frame hanger - Maximum cog size: 34t - Total capacity: 43t

Shimano's Deore XT Rear Derailleur uses cold-forged construction and cutting edge technology to deliver crisp shifting, real-world reliability, and trademark precision. Plus-type derailleurs use a lever-actuated clutch spring to prevent chain slap, reduce noise while on the trail, and improve chain engagement when riding over rough terrain. Sealed pulley bearings keep things spinning smoothly, and wide plate construction prevents the derailleur from getting clogged with mud and debris.

- Compatible with 6 and 7-speed SIS Index Shifting drivetrains - Includes BMX/track frame hanger

SRAM's X4 Rear Derailleur provides precise, dependable shifting along with long-term durability. Its aluminum and steel construction delivers through the roughest trail, while SRAM's 1:1 actuation ratio and direct cable routing provide quick, reliable shifts. This derailleur is compatible with 7- or 8-speed drivetrains.

The Box Four Rear Derailleur is the base of Prime 9 Technology that offers an affordable clutch based 1 by 8-speed derailleur that is simple and light; this makes it a perfect candidate for every entry-level bike that traditionally has a 3 by drive-train that is neither durable nor user friendly.

The Box One Prime 9 Rear Derailleur takes the advantages of our legacy 9-speed drive-train but adds the advancements of a modern 1 by; a fully adjustable Tri-Pack Clutch, and an x-wide cage optimized for an 11-50T cassette. Forged construction steps up the durability and performance to an unparalleled level. Suited for the most demanding terrain.

SRAM's Force WiFli Rear derailleur is made for wide-range 2x10 systems. Its long cage can handle an 11-32 cassette! You get the huge gear range of a triple with reduced weight and better shifting. Of course, the WiFli still uses SRAM's renowned Exact Actuation technology for precision shifts every time. Plus, the Force is crafted with cutting-edge materials, such as a super-light carbon cage and a magnesium inner link for feathery low weight, flawless shifting and reliability.

Shimano Ultegra Di2 Shadow rear derailleur. - Sleek integrated appearance - New low-profile design - Shimano Shadow RD - Race endurance - Optimized slant angle - Maintain race concentration with more intuitive shift control - System communication with front derailleur - Shimano Synchronized Shift - Wide compatibility - Short cage covers: 11-25T to 11-30T - Medium cage covers: 11-28T to 11-34T - Average Weight: 242 grams (SS type), 249 grams (GS type)

The 7-speed X-HORIZON rear derailleur makes shifting smooth and reliable no matter where you ride. Engineered to maintain consistent chain gap across all seven gears, X-HORIZON eliminates vertical movement for faster shifting, reduced shift force, and an end to ghost shifting. Our new, Type-3 roller bearing clutch features a smoother torque curve for a quieter, more consistent operation and feel. The 12-tooth X-SYNC pulley wheel holds the chain in place, reducing bounce and chain slap. Additionally, CAGE LOCK technology makes wheel removal and installation easier than ever. Paired with the X01 DH 7-speed shifter, X-HORIZON forms the backbone of X-ACTUATION technology—and that means completely smooth shifting action. - Updated design of the rear derailleur incorporates our proven X-HORIZON design and new Type-3 roller bearing clutch technology - 12-tooth X-SYNC pulley wheels - Large upper pulley offset automatically adjusts chain gap - Sealed cartridge bearings

- 6061 Forged Alloy - Made to O.E.M. specifications - Correct hardness to reduce damage to frame upon impact

- 9-speed compatible - SIS rear index shifting - Max: 34t - Cage: Mid - Ratio: 2 to 1

Explore the benefits of trekking and urban e-biking with this durable Shimano CUES RD-U8020 Shadow+ rear derailleur's smooth and decisive shifting performance for 2x11-speed systems. A low-profile design and chain stabilization give riders the confidence to keep going. Plus, its premium machine-finished aluminum textures showcase the integration of design and engineering. - Seamless shifting and pedaling performance that's made to last - Chain stabilizer reduces chain drop, slap and noise - Shadow+ low-profile design protects rear derailleur from obstacles in a wide variety of riding scenes - Stylish and polished aluminum finish with machine-cut textures - 11t upper and 13t lower pulley wheels - Compatible with LINKGLIDE AND HG 11-speed chains

- Upper pulley has larger teeth for increased chain control

The Box Three Rear Derailleur simplifies the features found on the Prime 9 Box One and Two rear derailleurs making for a fully featured wallet friendly rear derailleur. Including a Limited Slip Clutch, Sealed bearing pulleys and a solid construction Box Three Rear derailleurs are compatible with 11-46 and 11-50t derailleurs making it one of the most versatile derailleur offerings for Prime 9.

With a race-worthy weight and the right gearing for any situation, microSHIFT's top-of-the-line ADVENT X rear derailleur delivers high-end performance without high-end headaches. By using a 10-speed chain and wide range 11-48T cassette with predictable, evenly spaced gear steps, ADVENT X allows you to find the right gear even in challenging conditions. Add in microSHIFT's proprietary ratchet-and-pawl clutch, larger pulleys with taller teeth for better chain retention, and metric adjustment hardware, and you've got everything you want and nothing you don't. - Compatible with ADVENT X 10-speed drivetrains only - Compatible with standard 10-speed chains - Ratchet-and-pawl clutch provides chain security and can be turned on and off with a switch - Metric adjustment hardware - Larger pulley and taller teeth for better chain security and higher ride height

The Shimano Tourney RD-A070 rear derailleur provides durable and reliable shifting for 7-speed drivetrains. - Smartcage design with 11/13t pulleys allows for short cage and a 28t max low cog - Maximum cog size: 28t - Total capacity: 37t

The RD-M9100 XTR rear derailleur is intended for use with 1x drivetrains. It is compatible with both 11- and 12-speed cassettes. - Decreased rear derailleur tension at low gear position, to prevent high chain tension - Added bumper at rear derailleur pulley cage - Bigger 13T pulley - Direct mount compatible - Compatible cassette size: 10-51 (12-speed), 10-45 (11-speed) - Total capacity: 35t (GS Medium Cage) / 41t (SGS Long Cage)

- 10/11 Speed compatible - MTB: Direct attachment (Shadow) - 42T Max Low Sprocket - 11T Min top Sprocket

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 XX Eagle T-Type AXS™ 12-Speed rear derailleur foundationally changes the relationship between cassette and derailleur. Engineered as integrated, interdependent transmission components, the T-Type derailleur mounts around the wheel axle itself, contacting the cassette directly with a first-of-its-kind Hangerless Interface. Its game-changing Full Mount attachment method creates a far stronger connection and grips both sides of the frame. This XX T-Type rear derailleur features the same intuitive pairing and set-up procedure as Eagle AXS™ derailleurs. - Tucked-in profile houses replaceable skid plates that enhances dependability in high-pressure racing environments - To further its performance, the lower pulley called "Magic Wheel" keeps spinning if an object becomes lodged - Features an overload clutch, accommodates common maintenance and features that real world riders really appreciate - Exceptional shifting performance and unprecedented strength - Aluminum cage - Battery Not Included

The heart of this microSHIFT Acolyte derailleur is the innovative SpringLock system. By pairing a customized linear rate high tension spring and a dual stage activation mechanism, we’ve developed a system that can provide substantial chain security when you need it and can be turned off when you don’t.  To engage the clutch, turn the engagement bolt clockwise until it clicks. There’s no way to overtighten the bolt. To disengage the clutch for wheel removal, flip the switch. It’s that simple. - Innovative SpringLock chain retention keeps chain in place over rough terrain - Direct path cable routing for smooth and responsive shifting - Compatible with 12-42T and 12-46T 8-speed cassettes - Compatible with Acolyte shifters only

• 11-speed DynaSys compatible • Light Shift Operation With 20% Less Effort • Improved chain stability • Efficient Shifting And Smoother Driving • New Shadow Design With Optimized Slant Angle • New Shift Cable With New Hyper Low-Friction Coating Technology • New Shadow Design With Optimized Slant Angle For Stable Gear Position • Easy-To-Adjust Chain Stabilizer • Efficient Pulley Teeth Design • Direct Mount compatible

Incredibly fast, astonishingly quiet and impressively precise—fly through all 11 gears with SRAM's Rival 22 Rear Derailleur. It takes advantage of SRAM's Exact Actuation technology for precision shifts every time. Carefully shaped jockey wheels work together with the sculpted chain pulley cage for lightning-fast, ultra-precise shifts, and an elastomer coating applied to the jockey wheels makes for extra quiet operation. Aluminum inner and outer cages, aluminum links, and stainless steel hardware keep the durable Rival 22 at a svelte 191 grams. Plus, SRAM's WiFLi technology delivers a wider range of gears than your standard triple, faster shifts through two chainrings and every gear on the rear cassette, all with significant weight savings.

- Bargain priced tensioner for turning a geared bike into a single speed - Fixed position aluminum arm with quiet rubber sealed bearing pulley - Mounts in place of derailleur

Shimano 105 7000-series components offer much of the same technology and functionality as their top-level 11-speed drivetrains at a more budget-friendly price point. The RD-R7000 rear derailleur provides stable shifting performance and wide-range compatibility in two different cage lengths. The Shadow RD design limits the amount the derailleur sticks out from the side of the bike, reducing the risk of it making contact with objects and bending. - Maximum cog size: 30t (SS) / 34t (GS) - Total capacity: 35t (SS) / 39t (GS) - Pulleys: 11t - Chain compatibility: HG-EV 11-speed/HG-X11 - Direct mount compatible

With an integrated chain stabilizer mechanism, the Shimano GRX derailleur provides a quieter experience and shifting security and precision on mixed terrain. For rides on smooth surfaces, the derailleur features and ON/OFF switch for the chain tensioner. - Adjustable chain stabilizer prevents chain slapping and drops - Switch stabilizer ON/OFF to match the terrain - Gravel-tuned clutch tension - Maximum front T difference: 16T - Silent and uninterrupted rear shifting on rough terrain - Low cog: Max. 36T/Min. 30T - High cog: Max. 11T/Min. 11T - Total capacity: 41T - Smooth and reliable mixed-surface shifting - Compatible with current 10s road DUAL CONTROL LEVER - Compatible with wide-range front gearing

Shimano Ultegra R8000 Shadow rear derailleur. - Sleek integrated appearance - Low-profile design - Race endurance - Optimized slant angle - Wide compatibility - Short cage covers: 11-25T to 11-30T - Medium cage covers: 11-28T to 11-34T - Model Number: RD-R8000 - Series: Ultegra - Maximum Sprocket: 30T - Minimum Sprocket: 11T - Maximum Front Difference: 16T - Average Weight: 200 grams (short cage type), 210 grams (medium cage type)

The Campagnolo EKAR Rear Derailleur is designed for the 1x13-speed EKARndrivetrain with a gravel-orientated performance & build. - 2D parallelogram trajectory offers precise mechanical movement for 13 sprockets - High grade polymer pulley wheels (12T upper, 14T lower) allow for smooth chain running and secure retention - Carbon fiber-reinforced polyamide and anodized 7075 and 6082 alloys are lightweight, strong, and durable - Stainless steel bolts for strength and long-term resilience on gravel - Includes clutch lock for easy wheel removal Specifications: - Largest Cog: 44 - Rear Derailleur Mount Type: 10x1 Standard - Chain Wrap Capacity (teeth): 34 - Cage Length: Medium - Rear Der/Shifter Compatibility: Campy EKAR - Drivetrain Speeds: 13 - Weight: 275g