M21 Rear Derailleur 6/7 Speed Long Cage
Our line of mountain and trekking derailleurs starts with M21, but that doesn't mean it's entry-level. Using the same kinematics as our more expensive derailleurs and innovative construction techniques, the M21 delivers responsive performance in an attainable package.
. Robust attachment body improves durability and shifting response
. Composite and steel construction
. Suitable for entry-level bikes
. Speed: 7-Speed, 6-Speed
. Chainring Count: 2x Double, 3x Triple
. Cage Length: Long Cage
. Max Cog: 28-30T
. Min Cog: 13-14T
. Capacity: 43T
. Clutch: No
. Cage Material: Steel
. Outer Link Material: Composite
. Compatibility: Shimano Mountain
. Weight: 271g