Features Shadow design with optimized slant angle 3x9-speedcompatible Product features Use: MTB, Trekking Group:ALTUS Model: RD-M2000 SGS Cage:long Mount Type: Direct Mount Technology: Shadow RD Gear:9-speed Compatible Chain: HG 9-speed Max. teeth large sprocket:36T Min. teeth large sprocket:32T Max. teeth small sprocket:12T Min. teeth small sprocket: 11T Max. Front Difference:22T Total Capacity:45T Material Cambio 9 velocità Shimano ALTUS RD-M2000 SGS