SRAM X1 Rear derailleur 11sp. Type 2.1 Long cage MFPN=CN11238 6mm Crimson Red

6mm Crimson Red

} Wheel Axle End Cap Set Front Zipp 76/176

BCD Direct Mount SRAM 8 Bolt Crank Arm Length 167

Hardened steel chain pin driver for lifetime durability

6mmx24tpi width 68/73mm color blue

SRAM X1 Rear derailleur 11sp. Type 2.1 Long cage MFPN=CN11238 6mm Crimson RedSRAM 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