Shimano Derailleur RD-TY21B (Long Cage)


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  • MODEL:SHIMANO TOURNEY RD-TY21B bike rear derailleur, Compatible with 6 and 7-speed SIS Index Shifting drivetrains.
  • IMPORTANT : The Shimano hub bolt mount (hanger mount) rear derailleur for mountain bike, not direct 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.