Cassette de 8/9/10/11/12 velocidades para bicicleta de montaña k7 8v-12v 32-52T bicicleta rueda libre
Material: Steel (36T,40T, 42T) / Steel + Aluminum Alloy (46T, 50T, 52T). This bicycle freewheel serves the SHIMANO HG structure and can only be used for the HG bicycle hub body, not for SRAM XD or MS (Micro spline).