Brand: Shimano
Name: Shimano Dura-Ace RD-R9100-SS Rear Derailleur - 11 Speed Short Cage Black
Model Number: IRDR9100SS
UPC: 689228881099
Color: Black
Speed compatibility: 11
Cable Pull Ratio: 1.4 - Shimano 11 road (and Tiagra 4700 10 speed road), Campagnolo old
Cage Length: Short
Actuation: Cable
Clutch: Unknown
Total Capacity: 35
Top Gear Max: 30
Weight: 160 grams
Chainring Differential: 35
Round/Oval: Round
Material:None