REAR DERAILLEURS

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 lightPerfect candidate for every entry-level bike that traditionally has a 3 by drive-train that is neither durable nor user friendlyFor those seeking an affordable way into the world of 1x drivetrains on an otherwise entry level platformFeatures Box`s Limited Slip Clutch, durable nylon composite knuckle and direct channel cable stayDie cast linkage...

Innovatiive shape created with 3D Embrace technology increases shifting precision, speed, power and ensures the optimum distance from the sprocket at all timesNew longer cage model to support the use of 11-34t cassettesThe upper portion of the gearbox is made of carbon fiber-reinforced technopolymer for low weight and high durabilityConsistent accuracy through small bump and vibration absorbtionRD20-SE12412sp34LongBLK225g ...

Optimised spring return - On rough roads, the spring positioned between the upper body and the pivot absorbs the vibrations, ensuring the chain always rest properly on the sprockets12-tooth jockey wheel on the rocker arm, perfect for use with cassettes that have a wide range of teeth and ensures constant chain tensionRemovable pivot is compatible with hanger mount and direct mount style framesCompatible with spacing and axle types commonly associated with new hydraulic road disc brake...

EKAR 13 speed derailleur is custom designed to work specifically in conjuction with the EKAR drivetrain One specific function allows it to be fine tuned for optimal performanceParallelogram 2D trajectory designed to work flawlessly with larger cog jumps and EKAR cassettesRedesigned mechanical clutch system works to absorb chain shock on any terrainDifferentiated pulleys offer better control and retention of the chainEKAR13sp44LongBLK ...

The new Super Record Wireless rear derailleur makes the most of Campagnolo state-of-the-art technology to guarantee maximum shifting performanceThanks to integrated sensor technology, the derailleur always recognizes under which sprocket it is positioned in order to guarantee maximum shifting accuracyBattery charge level is easy to check, either with the indicator LEDs on the component or with the MyCampy 3.0 appCarbon composite construction reduces weight while also providing maximum...

The Apex Eagle rear derailleur quietly and quickly shifts across 12-speed Eagle cassettes, while 1x-specific chain retention technology keeps the chain where it needs to beX-Horizon straight parallelogram design limits all movement to the horizontal axis, which makes ghost shifting impossible while also reducing shift forceCage Lock technology makes for fast wheel changes or chain installationRoller Bearing Clutch controls chain tension for consistent shiftingWorks with 12-speed mechanical...

Fits wide-range cassettes with 36T or 44T large cogs and incorporates a spring clutch for flawless chain management on or off-roadInnovative and intuitive eTap shift logic and AXS connectivity keeps Apex delightfully distraction-free1x specific for use with 11-44T XPLR, 10-44T XPLR, and 10-36T cassettesChain management keeps the drivetrain quiet and secure**Battery not includedApex XPLR AXS12sp44LongBLK

The Apex XPLR derailleur hits the sweet spot of smooth jumps over a big gear range, all with unmatched chain security and the simplicity of a 1x drivetrainX-Horizon straight parallelogram design limits all movement to the horizontal axis, which makes ghost shifting impossible while also reducing shift forceWorks with 12-speed mechanical Apex and Eagle shiftersClutch controls chain tension for consistent shiftingCompatible with cassettes with 44T large cogsUse with FlatTop chainsApex...

Sram AXS enabled, allowing easy personalizationCapitalizes on X-Range gearing technology for enhanced range and chain management and features larger pulleys for improved durability and efficiencyOrbit chain management technology keeps the drivetrain quiet and secureA single rear derailleur for all gearing combinations, including 1x and 2xLarger X-Sync pulleys for increased durability and efficiencyCompatible with existing eTap batteries**BATTERY NOT INCLUDED - BATTERY PART #530147 - SOLD...

The Force AXS does it all - road racing, CX, Gravel or the morning coffee ride Single cage length works with any cassette size from 10-28T to 10-36T, in 1x or 2x configurationsOrbit chain management technology keeps the drivetrain quiet and secureSRAM AXS enabled, allowing easy personalization New black and iridescent colorway ensures your bike has maximum shineBattery not includedForce eTap AXS D212sp36Med1to1BLK/IR ...

A dedicated 1x-specific unit designed for use with a 10-44T or 10-36T cassette, it makes for an uncluttered drivetrain that takes on pavement and singletrackAXS enabled for easy wireless setup, monitoring, personalization, and reliabilityOrbit chain management keeps the drivetrain quiet and secureLarge X-SYNC pulleys for increased durability and efficiencyeTap shift logic for intuitive shiftingForce XPLR AXS D212sp44Med1to1BLK/IR ...

The GX Eagle derailleur features an updated cage architecture that improves chain managementBackwards compatible, works with both 10-50t and new 10-52t cassettesUpdated cage architecture provides better chain retention and precise shiftsComes in GX Eagle master colorway as part of Eagle Colorsystem and goes with all colors of Eagle cassettes & chains – from Black to Gold to Rainbow, to HardChrome and new Copper12sp52Long1to1GRYEagle ...