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Sunrace RD-M37 7 speed black rear derailleur
6/7-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 |