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...

The new Super Record Wireless front derailleur introduces shifting with Bluetooth technology, with easy instant communication between front derailleur and controlsCarbon powder technopolymer construction allows for the lowest weight while maintaining high stiffness and responseIntegrated position sensor automatically aligns the derailleur in the ideal position for the selected sprocketMeets the highest international waterproof standards with a rating of IP69K Fast and easy charging with...

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...

12/12T oversized derailleur pulleys for Shimano 11, Etap and Campagnolo 12 speedAluminum cogs with serviceable high quality sealed bearingsRoads seals12T Shimano/Campy 12s/Sram eTap 11-12s11/12spBlack/Blue

12/14T oversized derailleur pulleys for Shimano M9200 derailleursAluminum cogs with serviceable high quality sealed bearingsRoads sealsShimano M920012spBlack

12/14T oversized derailleur pulleys for Shimano M9200 derailleursAluminum cogs with serviceable high quality sealed bearingsRoads sealsShimano M920012spBlue

12/14T oversized derailleur pulleys for Shimano M9200 derailleursAluminum cogs with serviceable high quality sealed bearingsRoads sealsShimano M920012spRed

12/14T oversized derailleur pulleys for Shimano M9200 derailleursAluminum cogs with serviceable high quality sealed bearingsRoads sealsShimano M920012spTitanium

Pulley for the latest generation of Shimano derailleurs: Dura Ace R9100, Ultegra R8000 and 105 R7000 as well as the long cage of a Sram WifliNarrow wide tooth profile benefits include reduced articulation in the chain while retaining accurate shiftingMay require use of a longer chainShimano OS Full CeramicBlack/Blue