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ZUKKA Bike Rear Derailleur with Hub Bolt Mount or Direct Mount
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- 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.