Derailleurs

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.

It takes a degree of passion for the sport that can’t be faked to fully appreciate SRAM RED. It was created to blur the boundaries between machine and athlete. The SRAM RED rear derailleur was designed with Exact Actuation technology for precise, efficient shifting. Carbon fiber, titanium, and ceramic bearings complete the spec. The result adds to its legacy as the heart of the purest groupset for the pursuit of cycling excellence. - SRAM 11-speed compatible - WiFLi option - Carbon cages, carbon inner links, titanium hardware - Exact Actuation shifting provides fast and accurate shifts - Silent shifting with optimized AeroGlide pulleys, ceramic bearings - Spring-fixed barrel adjuster - Chain pulley cage adds precise chain management - Titanium pinch bolt keeps a low profile while minimizing weight - Speeds: 11 - Material: Carbon cages, Carbon inner links, Aero designed titanium hardware - Weight: 145 grams short cage), 165 grams (mid cage) - Compatibility: SRAM RED & Force Rear Shift-Brake levers, SRAM R2C Aero SL-1190 shifters, - SRAM R2C Aero SL-1150 shifters, SRAM 900 Aero brake levers, SRAM 500 Aero brake levers - Finish: Falcon grey & black anodized - Tech Highlights: AeroGlide Pulleys, Exact Actuation - Largest Cog (teeth): 28 (short cage) 32 (WiFli Medium Cage)

The SRAM RED front derailleur, thanks to Yaw technology, changes everything, eliminating the need for shifter trim. Instead of simply moving back and forth, the derailleur cage actually rotates to maintain a consistent angular relationship with the chain. As a result, shifts feel more direct and precise. Combined with the SRAM RED crankset and X-GlideR chainrings, it delivers an unmatched performance advantage in front shifting. - SRAM Road 11-speed compatible - Yaw Technology - Slim spring design eliminates frame interference - Optimized for shifting with X-GlideR chainrings - Precision install markings - Integrated chain spotter protects your frame without adding any extra clunk and adjusts independently of the derailleur itself - Speeds: 2x11 - Material: Aluminum outer cage, Tool steel inner cage, Composite tail - Weight: 69g (braze-on), Chain spotter: 10.2 grams - Outer Cage: Aluminum - Compatibility: SRAM RED 22 & Force 22 Front Shift-Brake levers & X-GlideR Chainrings, SRAM R2C Aero SL-1190 shifters, SRAM R2C Aero SL-1150 shifters, SRAM 900 Aero brake levers, SRAM 500 Aero brake levers - Inner Cage: Tool steel

With SRAM's RED Rear Derailleur, SRAM set out to make their already race-proven design lighter, faster, and quieter. Through careful analysis of design, material selection, and component integration, they achieved all three. Refined shaping and a hollow titanium fixing bolt lighten the overall weight while maximizing performance. Carefully sculpted jockey wheels work together with the new chain pulley cage for lightning-fast, ultra-precise shifts. An updated elastomer coating applied to the jockey wheels makes for extra quiet operation. Plus, a redesigned shift cable routing makes set-up and adjustment easier than ever! Light, fast, and quiet, the RED derailleur delivers!

With SRAM's WiFLi RED Rear Derailleur, SRAM set out to make their already race-proven design faster, quieter, and able to accommodate a full 11-32 cassette for a huge gear range. Through careful analysis of design, material selection, and component integration, they achieved all three. Refined shaping and a hollow titanium fixing bolt lighten the overall weight while maximizing performance. Carefully sculpted jockey wheels work together with the new chain pulley cage for lightning-fast, ultra-precise shifts. An updated elastomer coating applied to the jockey wheels makes for extra quiet operation. Plus, a redesigned shift cable routing makes set-up and adjustment easier than ever! Fast, quiet, and capable, the RED derailleur delivers!

If your ride doesn't feel complete until you get a little dirt on your tires, you know the importance of capable components that can tackle anything. The RED XPLR eTap AXS rear derailleur is a dedicated 1x-specific unit designed for use with the XPLR 10-44 cassette. It makes for an uncluttered drivetrain that takes on pavement and singletrack with equal aplomb. Wireless and proven eTap shift logic, AXS connectivity and advanced chain management mean this derailleur does exactly what you want when you need it. - Wireless electronic eTap shift logic for intuitive shifting, easy setup, and reliability - 1x specific for use with 10-44T XPLR and 10-36T cassettes - SRAM AXS enabled, allowing easy personalization - Chain management keeps the drivetrain quiet and secure - Large X-SYNC pulleys for increased durability and efficiency - Compatible with existing eTap batteries - Cage Material (RD): Aluminum - Pulley Bearings Material: Ceramic - Max Tooth: 44 NOTE: Does not include eTap battery. Compatible with existing eTap batteries.

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 SRAM RED eTap rear derailleur executes shifts the instant you demand, 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. - SRAM eTap shift logic and wireless operation - Fits all 11-speed SRAM road cassettes up to 11-32T - 2x and 1x compatible - Updated version of the original SRAM RED eTap rear derailleur - Orbit chain management technology keeps drivetrain quiet and secure - Larger X-SYNC pulleys and ceramic bearings for increased durability and efficiency - NOTE: Does not include eTap battery. Compatible with existing eTap batteries.

The SRAM Rival 1 rear derailleur is engineered for smooth, reliable shifting action, delivering 100% of what you demand. By eliminating unwanted chain movement, X-HORIZON shifts faster, reducing shift effort and chain slap. - X-HORIZON design reduces shift force while eliminating ghost shifting and chain slap - Large upper pulley offset automatically adjusts chain gap - Sealed cartridge bearings and aluminum cage - Technologies: X-HORIZON, EXACT ACTUATION, X-SYNC, ROLLER BEARING CLUTCH, Cage Lock - Medium cage: 11-26 through 11-36 cassettes, 269g - Long cage: 10-42 cassette, 275 g

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 180 grams.

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.

If your ride doesn't feel complete until you get a little dirt on your tires, you know the importance of capable components that can tackle anything. The Rival XPLR eTap AXS rear derailleur is a dedicated 1x-specific unit designed for use with the XPLR 10-44 cassette. It makes for an uncluttered drivetrain that takes on pavement and singletrack with equal aplomb. Wireless and proven eTap shift logic, AXS connectivity and advanced chain management mean this derailleur does exactly what you want when you need it. - Wireless electronic eTap shift logic for intuitive shifting, easy setup, and reliability - 1x specific for use with 10-44T XPLR and 10-36T cassettes - SRAM AXS enabled, allowing easy personalization - Chain management keeps the drivetrain quiet and secure - Large X-SYNC pulleys for increased durability and efficiency - Compatible with existing eTap batteries - Cage Material (RD): Aluminum - Pulley Bearings Material: Steel - Max Tooth: 44 NOTE: Does not include eTap battery. Compatible with existing eTap batteries.

The precision and reliability of eTap AXS, now at a whole new level. The Rival eTap AXS front derailleur is optimized for X-Range chainrings and uses Yaw technology, so there's no need for trim. - Wireless electronic eTap shift logic for intuitive shifting, easy setup, and reliability - AXS-enabled for easy personalization - Crisp and accurate front shifts - SRAM Yaw trimless cage technology optimized for use with 46/33T or 48/35T X-Range chainrings - Designed for standard chainline eTap AXS cranks - Battery Not Included

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

Whether on the starting line or not, the X0 Eagle T-Type 12-Speed rear derailleur brings competition-tested prowess to riders who let their riding prove everything. Engineered as integrated and interdependent transmission components, the X0 T-Type derailleur mounts around the wheel axle itself, contacting the cassette directly with a first-of-its-kind Hangerless Interface. This foundationally changes the entire relationship between cassette and derailleur. Beyond that, its Full Mount attachment method creates a far stronger connection that grips both sides of the frame. These X0 T-Type rear derailleur features the same intuitive pairing and set-up procedure as our Eagle AXS™ derailleurs - Competition proven strength and reliability - X0 Eagle derailleur is especially robust, allowing for common maintenance that serious riders demand - Features an overload clutch that boosts resiliency and a tucked-in profile that houses protection covers on the B-knuckle and outer link that are fully replaceable - Aluminum cage - Battery Not Included

It's an all-new derailleur that's specifically designed and optimized to be motor-driven instead of cable-actuated. AXS powered components enable customization and scale to an individual rider's liking via the AXS App. It features a shorter cage for 10mm more ground clearance, with more chain wrap on the cassette to sit slightly further forward, and further inboard from mechanical Eagle. The Eagle AXS derailleur is smart enough to protect itself thanks to its incredibly resilient Overload Clutch. In the event of an impact, the motor gearbox disengages, giving the derailleur freedom to move, and instantly returns back to its position for a seamless experience for the rider. The system is tested to IP69K water and dust proofing standard for creek crossings, mud splatterings and the resulting post-ride pressure washings. - Enduro focus and trail ready - Forged aluminum cage - Stainless hardware - Black/Polar colorways - Eagle technology - Overload Clutch protection - AXS enabled componentry software that makes it possible to both program and personalize new SRAM and RockShox components - System is completely water and dust proof to IP69K - Eagle AXS is designed to work with X-DOME Eagle cassettes only, providing the most precise, silent, and reliable shift performance available.

SRAM's X01 Rear Derailleur packs a massive amount of technology into its compact, lightweight body. This 11-speed gear changer uses a “horizontal parallelogram” design that limits all movement to the horizontal axis, reducing the force it takes to shift. The Type 2 clutch is brilliant. This self-lubricating, one-way roller clutch controls your chain tension to eliminate chain slap and give you smooth, consistent shifts over any terrain. For quicker, smoother, more exact shifting, the large upper pulley's offset design maintains a consistent chain gap across all gears.

Eleven speeds to rule all the trails. That is the X1 Rear Derailleur's motto. It packs a massive amount of technology into its compact, lightweight aluminum body. This 11-speed gear changer uses a “horizontal parallelogram” design that limits all movement to the horizontal axis, reducing the force it takes to shift. The Type 2 clutch is brilliant. This self-lubricating, one-way roller clutch controls your chain tension to eliminate chain slap and give you smooth, consistent shifts over any terrain. For quicker, smoother, more exact shifting, the large upper pulley's offset design maintains a consistent chain gap across all gears.

SRAM's X3 Rear Derailleur is ready for adventure. Its composite and steel construction is tough, 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.

SRAM's X5 10-Speed Rear Derailleur provides precise, dependable shifting along with long-term durability. Its aluminum construction keeps the weight down, while SRAM's 1:1 actuation ratio and direct cable routing provide quick, reliable shifts.

SRAM's X5 9-Speed Rear Derailleur provides precise, dependable shifting along with long-term durability. Its aluminum construction keeps the weight down, while SRAM's 1:1 actuation ratio and direct cable routing provide quick, reliable shifts.

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 XX SL 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 SL T-Type rear derailleur features the same intuitive pairing and set-up procedure as Eagle AXS™ derailleurs. - Features an overload clutch and a tucked-in profile, removing all but what’s needed - Accommodates common maintenance and to further its race-day performance, comes with a lower pulley called "Magic Wheel" that keeps spinning if an object becomes lodged - Features a carbon cage, a replaceable outer link and b-knuckle cover for lightweight and easy maintenence - Battery Not Included

SRAM's XX1 Ceramic Bearing Rear Derailleur Pulleys run on super-smooth, efficient ceramic bearings so your drivetrain rolls with ease. They are lighter than conventional pulleys and even come with SRAM's ceramic-bearing grease in an easy-to-use 10ml syringe.

This one takes all your trail dreams, from XC to enduro, all the way to eleven. SRAM's XX1 rear derailleur packs a massive amount of technology into its compact, lightweight body. It uses a “horizontal parallelogram” design that limits all movement to the horizontal axis, reducing the force it takes to shift. The Type 2 clutch is brilliant. This self-lubricating, one-way roller clutch controls your chain tension to eliminate chain slap and give you smooth, consistent shifts over any terrain. For quicker, smoother, more exact shifting, the large upper pulley's offset design maintains a consistent chain gap across all gears.

Paul Components Melvin Chain Tensioner. Converts frames for single speed use. Long enough for a Dingle-setup, (2 rings, one cog) 20T max. - The Melvin uses two pulleys, just like a rear derailleur, which gives it 20 teeth of chain wrap - Will work with multiple front chain rings while maintaining proper chain tension - The pulleys are made of extruded and machined aluminum and have sealed bearings for durability - Pulleys are 2.25mm thick at the tooth which fits inside most narrow 6 through 9 speed chains, and the pulley cage is wide enough to allow 1/8? single speed chains as well - Long enough for a Dingle-setup, (2 rings, one cog) 20T max - Do not use with a coaster brake or fixed gear - Includes Paul's own Sealed Bearing Pulleys

Replacement pulley set with ceramic bearings. Compatible with 7,8,9, and 10-speed Campagnolo, Shimano, and SRAM drivetrains.

• Converts Braze-on front Derailleurs to clamp on • Lightweight forged alloy • Weight: 28g

• Converts direct mount front derailleurs to clamp on • Lightweight alloy • Fits 68/73mm and 100mm bottom brackets • 34.9mm clamp

Converts braze-on front derailleurs to clamp-on. Available in multiple clamp diameters.

Designed with the rider in mind, the ADVENT rear derailleur packs trail-ready features into an attainable wide-range drivetrain system. The derailleur kinematics are precisely tuned to use a more direct cable path, making the shifting feel consistent across the lowest and highest gears, and everything in between. - Clutch provides stronger chain management over rough terrain - Ratchet-and-pawl clutch is easily adjustable and repairable - Direct cable routing for smooth, responsive shifting - Compatible with 11-42T 9-speed cassettes - Compatible with ADVENT shifters only

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

M21 rear derailleurs are designed to work with 6- and 7-speed Shimano road and mountain shifters. Enjoy the wide variety of bikes you can get going again with M21 rear derailleurs. - Robust composite and steel construction - Compatible with Shimano 6- and 7-speed mountain and road systems - Long cage for double or triple cranksets and 32T max cassette cog - Includes frame hanger attachment for use with older frame designs

M21 rear derailleurs are designed to work with 6- and 7-speed Shimano road and mountain shifters. Enjoy the wide variety of bikes you can get going again with M21 rear derailleurs. - Robust composite and steel construction - Compatible with Shimano 6- and 7-speed mountain and road systems

M-series rear derailleurs are designed to work with 7, 8, and 9-speed Shimano-compatible mountain and road shifters. Marvo LT rear derailleurs are built with precision rigid aluminum construction. Let these miracle workers get any bike rolling again. - Lightweight aluminum construction - Steel pulley cage for extra chain-rub durability - Compatible with Shimano 7, 8, and 9-speed mountain and road systems

Mezzo front derailleurs offer durable construction and seamless compatibility with existing systems, making repairs and upgrades easy. - Aluminum bracket, plastic body - Includes 31.8mm clamp adapter

R-series rear derailleurs are designed to work with 8 and 9-speed Shimano-compatible road shifters. These R8 rear derailleurs have composite and steel parts that weigh more but have the same durability and performance as R9 and R10 derailleurs. - Steel pulley cage for extra durability - Not compatible with Shimano Tiagra 4700 road system - Short cage for double crankset and 28T max cog - Long cage for triple crankset and 28T max cog

XLE Rear Derailleur for 10-speed Shimano drivetrains - For MEGA Sprockets w/large cog size 36-42T - Compatible with single, double, or triple cranksets - Total Capacity: 47T

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

The Super Record 12-Speed rear derailleur combines the highest quality materials for exceptional weight and unparalleled performance. The unidirectional carbon fiber front rocker arm reduces weight, with an innovative shape that envelopes the cassette better, thanks to 3D Embrace technology, creating a double effect: allowing the chain to maintain optimum traction at all times, thus increasing the speed, power and precision of shifting. - Carbon fiber-reinforced construction, to increase strength while keeping weight to a minimum - Optimized spring return for constant chain tension - Adjustment of the initial rear derailleur position - Removable pivot on the upper body - Optimized to work with cassettes from 11 to 34 teeth Specifications: - Largest Cog: 34 - Rear Derailleur Mount Type: 10x1 Standard - Chain Wrap Capacity (teeth): 37 - Cage Length: Medium - Rear Der/Shifter Compatibility: Campy 12-Speed Chorus/Record/Super Record 2019+ - Drivetrain Speeds: 12

The Campagnolo Super Record EPS 12 speed rear derailleur offers improved shifting performance with a trajectory curve that is optimized for 11-29 and 11-32 cassettes. - Using 3D Embrace technology the inner mechanism embraces more teeth per sprocket thanks to the advanced position of the upper pulley - The 12-tooth pulley wheels allow for the integration of larger cassette range while keeping chain length the same - Upper body adjustments allow you to set the perfect position whether you're riding an 11-29 or 11-32 tooth cassette - An upper body return spring absorbs the energy of any bumps, preserving the hanger, and bringing the derailleur back to position - An aluminum upper body provides high resistance to impacts and greater stiffness - The lower part of the body is made of ultra-light technopolymer, reinforced with long carbon fibers Specifications: - Largest Cog: 32 - Rear Derailleur Mount Type: 10x1 Standard - Chain Wrap Capacity (teeth): 37 - Cage Length: Medium - Rear Der/Shifter Compatibility: Campy Record/Super Record EPS - Drivetrain Speeds: 12 - Weight: 234g

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.

The Box One 7-speed Downhill Rear Derailleur is based on our 11-speed drive-train but has a signature white short cage and beefed-up compact linkages. Other fab features include a fully adjustable Tri-Pack(TM) Clutch, and optimization for an 11-24T cassette. These guys are tuned for the most demanding downhill runs. FEATURES - Durable 3D Forged Linkages - Precision Sealed Bearing Pulleys - Pivot-Tech™ Cable Stay - Forged Inner and Outer Cage - Adjustable Tri-Pack™ Limited Slip Clutch SPECIFICATIONS - Speeds 7 Speed - Materials 6061-T6 Aluminum, Carbon fiber/Nylon Composite - Pulleys Precision Sealed Bearing - Cage Size DH - Minimum Cog 11T - Maximum Cog 24T - Hardware Aluminum / Cr-Mo alloy - Color/Finish Hard Onyx™ - Weight 279 grams / 9.8 ounces - Technology Adjustable Tri-Pack™ Limited Slip Clutch, Pivot Tech™

The Box Two Prime 9 Rear Derailleur is very similar to the Box One version however, to be more wallet friendly, it offers a non adjustable Tri-Pack Clutch, bushing pulleys and some muted finishes. Box Two rear derailleurs are still optimized for 11-50t cassettes and offer durability and performance for the most demanding terrain, just at lower price!

- Prevents chain derailment when shifting to inner ring - Adjustable hose-type clamp fits 1-1/8" to 1-3/8" seat tubes