M21 Rear Derailleur 6,7 Speed, Short Cage Size:One Size Channel Construction Laid In Composite

Channel Construction Laid In Composite Leather

Next to skin fit

With double-walled construction to keep water cold twice as long as other bottles

Calories: 460

Bright-light and low-light ChromaPop™ interchangeable lenses

M21 Rear Derailleur 6,7 Speed, Short Cage Size:One Size Channel Construction Laid In CompositeRear Derailleur for 1 x 6 7 Speed Direct Attachment Type Super Short Cage Max. Sprockets: 32T Total Capacity: 21T Model No.: RD M21SS Cassette Compatibility: 6 7 Speed Cage Type: Super Short Cage Front Chainring: Single Max. Sprocket: 32T Min. Sprocket: 11T Total Capacity: 21T Guide Pulley: Engineering Composite with Steel Bushing Tension Pulley: Engineering Composite with Steel Bushing Bracket Body: Resin Black Mount Type: Direct Attachment Bracket