SRAM X3 Rear Derailleur 8 Speed Black MY10 Factor Material Engineering Grade Plastic

Material    Engineering Grade Plastic

Twin Slip-Fit head presses onto Presta or Schrader valves

This is paired with a bladed groove structure that surrounds the dust cover

Extra durable

SRAM X3 Rear Derailleur 8 Speed Black MY10 Factor Material Engineering Grade PlasticLeveraging the legendary history of SRAM shifting, the X3 rear derailleur provides great shifting performance. Features ESP compatible (1: 1 actuation ratio) for ESP trigger or twist shifters Di. R. T (Direct Route Technology) for light effort shifting performance Composite and steel links with a Grilon composite B knuckle and P knuckle Steel composite cage with replaceable, mud ported pulleys 7 8 speed Mfr Claimed Weight 210g