Aluminum Cage Exact Actuation for precise and dependable 10-speed performance Features SRAM`s cage lock for easy wheel removal and installation Roller Bearing Clutch means derailleur bounce and chain slap are eliminated without sacrificing precision Cable routes directly to the actuation mechanism meaning less friction and energy expended Weight: 302g (Long cage) GX 10sp Mid 1to1 BLK TBDUPC/EAN/GTIN: 710845771828