Shimano CS-HG31 8-Speed Cassette Sprocket

SHIMANO CLARIS - 8-Speed - HYPERGLIDE - Road Cassette Sprocket Offered in a wide range of road gearing, the HG50-8 cassette is perfect for 8-speed road drivetrains. FEATURES - Multi-surface ridable gear ratio Current gear combinations: 11-28T, 11-30T, 11-32T, 12-25T, 13-26T New gear combination: 11-34T PRODUCT SPECIFICATIONS - MODEL NO CS-HG50-8 - SERIES CLARIS R2000 Series - Combination 11-13-15-17-19-21-24-28T (bf) | 11-13-15-17-20-23-26-30T (an) | 11-13-15-18-21-24-28-32T (aw) | 11-13-15-18-21-24-28-34T (Ca) | 12-13-14-15-17-19-21-23T (U) | 12-13-15-17-19-21-23-25T (W) | 13-14-15-17-19-21-23-26T (V) - Combination name (Group name) 11-28T (bf) 11-30T (an) 11-32T (aw) 11-34T (Ca) 12-23T (U) 12-25T (W) 13-26T (V) - Type HG - Compatible chain HG 8/7/6-speed - Rear speeds 8 - Aluminum gear_QTY (pcs) 0 - HG spline (Others) ✔ - Steel gear_QTY (pcs) 8 - Titanium gear_QTY (pcs) 0