SRAM GX DH Rear Derailleur - 7-Speed Medium Cage Black with Clutch A3 Weight (Grams)-1085 6 Upper Cup 42mm Material

6 Upper Cup 42mm Material Aluminum SHIS Lower IS52/40

4mm handlebar clamp

Spring tension is adjustable

}Park Tool THT-40 Sliding T-Handle Torx Compatible Wrench

SRAM GX DH Rear Derailleur - 7-Speed Medium Cage Black with Clutch A3 Weight (Grams)-1085 6 Upper Cup 42mm MaterialSRAM GX DH Rear Derailleur 7 Speed Medium Cage Black with Clutch A3. The SRAM GX DH Rear Derailleur is easy to shift incredibly precise and keeps the unwanted noise of chain slap to a minimum. Designed as an affordable yet full featured part of the DH drivetrain system. Roller bearing clutch in the pulley cage pivot for better chain control Cage Lock mechanism for easy wheel changes TECH SPECS Rear Derailleur Mount Type 10x1 Standard Rear Der Shifter