SRAM X1 Rear derailleur 11sp. Type 2.1 Long cage MFPN=00.2518.039.010 } X-Range gearing technology gives

} X-Range gearing technology gives you more range and a smoother gear progression

8-bolt direct mount design (Mounting bolts included)

Increased bushing overlap improves small bump performance and grip

Easton direct mount CINCH chainrings use a new narrow/wide design specifically tailored to road/cx/gravel applications

6mm 200mm 2020+

SRAM X1 Rear derailleur 11sp. Type 2.1 Long cage MFPN=00.2518.039.010 } X-Range gearing technology givesSRAM X1 Rear Derailleur 11 Speed Medium Cage Black. The X1 group has all the important features of the high priced spread with a modest increase in weight. Wide tooth narrow tooth pulley wheel maximizes chain control by fitting inner and outer chain links perfectly X Horizon design maintains constant chain gap across all gears and eliminates ghost shifting Roller bearing clutch eliminates derailleur bounce and chain slap Cage Lock feature simplifies