Product Description The Shimano spacer for 9-speed cassettes HG80 / HG61 / HG50 / HG30 This Shimano spacer ring is only compatible with certain 9-speed cassettes (see below for compatibility list). It is used between the second and third (with max. 12 T/13 T/14 T), third and fourth (with max. 11 T/12 T/13 T) and fourth and fifth pinion (with max. 12 T). The spacer ring is made of plastic and is 2.56 mm thick. Compatibility:CS-HG30CS-HG50CS-HG61CS-HG80CS-HG300CS-HG400also fits CS-HG70, CS-6500Manufacturer Number:Y-35764251 Contents:1 x Shimano spacer for 9-speed cassettes Manufacturer: Shimano Europe B.V. High Tech Campus 92 5656 AG Eindhoven Netherlands info@shimano-eu.com