SRAM X1 Type 2.1 11sp Rear Der Medium Cage Blk MFPN=DROPOUT-169 Two proprietary dual shockcord pre-load

Two proprietary dual shockcord pre-load straps keep tubes

}Hayes Post Mount Disc Brake Adaptor - For 180mm Post Mount to 220mm Rotor

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Mounting hardware for PUSH SV8 and VTX Shock

SRAM X1 Type 2.1 11sp Rear Der Medium Cage Blk MFPN=DROPOUT-169 Two proprietary dual shockcord pre-loadSRAM 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