Brand: SunRace
Name: SunRace M57 Rear Derailleur - 7/8-Speed Long Cage Black
Model Number: RDM57.LDB0.0S0.BX
UPC: 4710944247183
Color: Black
Speed compatibility: 7, 8
Cable Pull Ratio: 1.7 - Shimano standard, SRAM 2:1
Cage Length: Long
Actuation: Cable
Clutch: Unknown
Total Capacity: 43
Top Gear Max: 34
Weight: 354 grams
Chainring Differential: 43
Round/Oval: Round
Material:None