ZUKKA Bike Rear Derailleur with Hub Bolt Mount or Direct Mount

This fits your . Make sure this fits by entering your model number. MODEL:RD-TY21B bike rear derailleur, Compatible with 6 and 7-speed SIS Index Shifting drivetrains. IMPORTANT : The direct mount rear derailleur for mountain bike, not hub bolt mount （hanger mount). EXCELLENT PERFORMANCE:Accurate gears provide light and stable shift performance,and making riding easy and comfortable. MATERIAL:Made of high-quality steel materials,durable and long service life.Easy to install and disassemble. APPLICATION: Suitable for MTB mountain bike ,road bikes ,variable speed bicycle,folding and city bikes.It is your indispensable bicycle accessories during your cycling journey.