X1, Rear derailleur, 11sp., Type 2.1, Long cage anti chafe The dual-sided design

The dual-sided design

Oversized Grade 3 balls roll on races which are ground to a mirror finish after receiving Magnetite and then Cryogenic treatments for hardness and longevity

Women's Specific Regular Mountain Bike Fit is generous and comfortable

used by the Sinter Brakes racing team in the UCI Mountain bike Downhill World Championship

Secure zippered rear pocket keeps your valuables safe from jumping out when things get bumpy

X1, Rear derailleur, 11sp., Type 2.1, Long cage anti chafe The dual-sided designX HORIZON technology ROLLER BEARING CLUTCH technology CAGE LOCK technology X ACTUATION technology 12T X SYNC pulley wheels Silent pulley tooth design Weight: 256g SRAM Model ID: RD X 1 A2