Standardkassettehylsteret on one tacx direct drive training unit is not compatible with avenue cassettes. Use this cassette housing, sa what match to your sram xd r cassette. What is easy to mount, past, the laws you bowl only use one 5 mm allen.Sram xd r boxe... Read throughout product description by to press on buy button. Brand: Tacx Shipping Cost: 39,00 kr.