Brand: Shimano
Name: Shimano ZEE RD-M640-SS Rear Derailleur - 10 Speed Short Cage Gray With Clutch Close Ratio For DH
Model Number: IRDM640SSC
UPC: 689228305359
Color: Gray
Speed compatibility: 10
Cable Pull Ratio: 1.2 - Shimano 10 MTB aka Dyna-Sys.
Cage Length: Short
Actuation: Cable
Clutch: Unknown
Total Capacity: 25
Top Gear Max: 28
Weight: 250 grams
Chainring Differential: 25
Round/Oval: Round
Material:None