- splined sprocket from CLEAN TRIALS. Made from heat treated Steel to offer a high level of quality and durability - extra wide 10mm base means better connection between the sprocket and hub - fits in the CREWKERZ / CLEAN TRIALS fixed splined hubs, BONZ and all rear hubs using a standard Shimano HG spline - the teeth on sprockets are in the center of the sprocket base - compatible with all 1/2" chains - weigth: 40g (15T) / 27g (12T)
Sprocket mounting system
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