Sunrace
10 speed wide range cassette. Steel spiders. Fits Shimano/SRAM freehub. 494g (11-42); 458g (11-40).
Brand: Sunrace
Model: CSMS2
Length: 8.1
Width: 7.1
Height: 1.9
Weight lb: 1.3
Part Number: CSMS2.TAY0.XS0.BX