MODEL: RD-TY21B Direct Mount derailleur; Guide wheel teeth: 11T; Tooth capacity: 34T, Bike rear derailleur is compatible with 6/7 speed most kinds of bikes.
PERFORMANCE: The TY21B 7 speed derailleur is constructed from durable aluminum alloy material and excellent shifting performance ensure safe and stable riding.
SIMPLE TO INSTALL AND MAINTAIN:The process consists of four main steps: installation, adjusting the limit stops, tightening the cable and adjusting the tension
WIDE APPLICATION: This bicycle derailleur is suitable for MTB, mountain bikes, commuter bike, cruiser bike, folding bike etc.
NOTE: The bike rear derailleur is direct mount, not hanger mount .Please check the mount type of the original part before purchasing.
