X1, Rear derailleur, 11sp., Type 2.1, Long cage anti chafe All models still use top-end

All models still use top-end EVA foam to ensure comfort is maximized and weight is minimal

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

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

The dual-sided design

and a 25mm width that offers incredible stability for 40mm to 2

X1, Rear derailleur, 11sp., Type 2.1, Long cage anti chafe All models still use top-endX 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