TA Specialites Conversion Kit for 10-speed Shimano/SRAM Cassettes - 42 Teeth

This sprocket enables to change a 2x10 speed MTB transmission into 1x10 speed, thanks to the increaase of gear ratio. It enables to change your genuine 11/36 cassette into an 11/42 cassette and to keep the rest of your genuine transmission (rear deailleur, chain, rear shift lever). The set is compatible with the following MTB 10s cassettes (11-36 Teeth): Shimano XT (CS-M771) Simano XTR (M980) SRAM X5 (PG-1030) SRAM X7 (PG-1050) SRAM X9 (PG-1070) SRAM XG 1080