Ideal for cross country and general off-road trail riding, this rear mech provides fast and smooth gear shifting performance in all conditions. Key Features: Rear Derailleur for 2/3 x 6 / 7 Speed Direct Attachment Type Max. Sprockets: 32T Total Capacity: 43T Features: Model No.: RD-M21LA Cassette Compatibility: 6 / 7 Speed Front Chainring: Double / Triple Max. Sprocket: 32T Min. Sprocket: 11T Total Capacity: 43T Guide Pulley: Engineering Composite with Steel Bushing Tension Pulley: Engineering Composite with Steel Bushing Bracket Body: Resin / Black Mount Type: Reverse Bracket Type Bracket Pivot Seal: N Plate Body: Resin / Black Plate Pivot Seal: N Outer Link: Resin Steel Inner Link: Black Steel Link Pin Bushing: N Outer Plate: Black Painted Steel Inner Plate: Black Painted Steel Weight: 279g Compatibility: Shimano 6 / 7 Speed MTB Rear Derailleur Compatible