Sunrace RD-M37 7 speed black rear derailleur CheckoutSpec= Anodized Upper Bar Tape Material Durasoft polymer

Bar Tape Material Durasoft polymer Misc 89g Color Cool Grey Primary Color Grey Self Adhesive Yes Tape Length 234cm

Good quality

with an additional possibility to control radial symmetry in relation to the hub

Offers realistically simulated inclines up to a 10% gradient and a realistic ride feel and good responsiveness

with a base layer

Sunrace RD-M37 7 speed black rear derailleur CheckoutSpec= Anodized Upper Bar Tape Material Durasoft polymer6 7 speed MTB rear derailleur. Engineered polymer and steel construction. Direct mount with optional hanger included. SHIMANO Equivalent RD TY21 RD A070 TECH SPECS 7sp 30 37 Mid 2to1 BLK 265g