SRAM X4 Rear Derailleur - 789 Speed Long Cage Black MFPN=HTU-512 BK Due to the shape of

Due to the shape of the brake pad installation tabs this model is not compatible with Centerlock or HSX rotors

Do not use fabric softener

14 functions (spoke wrench

Intended use: hardpack loose loose over hard medium

SRAM X4 Rear Derailleur - 789 Speed Long Cage Black MFPN=HTU-512 BK Due to the shape ofSRAM X4 Rear Derailleur 789 Speed Long Cage Black. Affordable and reliable derailleur is great for repairs and upgrades. Compatible with 7 8 and 9 speed systems 1: 1 shifter to derailleur actuation ratio for precise light action indexing TECH SPECS Largest Cog 34 Color Black Rear Der Shifter Compatibility SRAM 1: 1 Rear Derailleur Mount Type 10x1 Standard Drivetrain Speeds 7 Drivetrain Speeds 8 Drivetrain Speeds 9 Weight 280 Chain Wrap Capacity