CAMPAGNOLO

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 ...

 Absolute precision and reactivity are guaranteed by the new outer plate made of aluminium as per the 11s design The cage, thanks to the new geometry, is more rigid and lighter, and the silicone rollers reduce vibration and improve the silence of the drivetrain Ultra-Shift exclusive parallelogram results in maximum shifting rigidity, fast actuation, precision, and friction reduction for a smooth shift on all levels Compatible with all Campagnolo 11 speed drivetrain...

 Absolute precision and reactivity are guaranteed by the new outer plate made of aluminium as per the 11s design The cage, thanks to the new geometry, is more rigid and lighter, and the silicone rollers reduce vibration and improve the silence of the drivetrain Ultra-Shift exclusive parallelogram results in maximum shifting rigidity, fast actuation, precision, and friction reduction for a smooth shift on all levels Compatible with all Campagnolo 11 speed drivetrain...

 The Chorus 12 speed cassette features the same performance a features of the higher tier record and super record derailleurs in more affordable materials 3D Embrace technology and 12-teeth pulley wheels makes this rear derailleur suitable for all cassettes as the distance stays optimum on each individual sprocket, regardless of the cassette selected On rough roads, the spring positioned between the upper body and the pivot absorbs the vibrations, ensuring the chain always rests...

 Carbon fiber, titanium and class-beating drive motors A manual rear derailleur release system makes it possible to move the rear derailleur manually into the desired position in the event of a system malfunction The world`s best electric motors ensure effective shifting even under strain, deliver the same performance time after time and make extremely fast, precise shifts possible The `Magnetic Hall Sensor Resolver` ensures that the rear derailleur always moves the chain...