SHIMANO DERAILLEUR RD-TY21A ( Short Cage) Color:sliver * SUITABLE FOR TRIPLE CHAINSETS

* SUITABLE FOR TRIPLE CHAINSETS up to a 42 TOOTH CHAINRING

This gives better impact energy management

High quality 8-speed cassette

Black with Reflective Sidewall

HOPE Bottom Bracket is in good condition with the bearing still feeling smooth as they should

SHIMANO DERAILLEUR RD-TY21A ( Short Cage) Color:sliver * SUITABLE FOR TRIPLE CHAINSETSMODEL: 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.