Rear Derailleur Medium Cage, RD-TZ31-GS, 6/7 Speed Direct Mount for Mountain Bike
- Shimano Tourney (SIS) RD-TZ31-GS 6/7 velocity，medium-cage , direct mount. No retail packaging. Objects as proven
- 1) Not suitable with hub bolt mount (bracket mount) body 2)If the overall capability of your bike exceeds 34T, this RD-TZ31 is just not suitable together with your bike, please konw earlier than shopping for. Please see under for an in depth description of methods to calculate whole capability.
- 5mm allen wrench