More informationCassette shim kit for use with e*13 cassettes on Hope XD hubs. The kit contains three thin steel wedges with a thickness of 0.5 mm, 1 mm and 2 mm. Once the proper gauge is selected, the shim is designed to wrap around the driver and sit under the cassette clamp.Color: SilverIncludes: 1 0.5mm shim, 1 1mm shim, 1 2mm shimLength: 9 mmMaterial: Steel