Shimano Dura Ace 7900 Cassette CS-7900 11-21T

Part
Shimano Dura Ace 7900 Cassette
Part number
CS-7900 11-21T
Weight
155g
Cassette teeth
11-12-13-14-15-16-17-18-19-21
Low sprocket
21T
High sprocket
11T
Hub type
HG