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 technics, M21 delivers responsive performance in an attainable package.

12 month warranty

  • Robust attachment body improves durability and shifting response
  • 7-Speed, 6-Speed
  • Long Cage Length
  • 28-30TMax Cog
  • 13-14T Min Cog
  • 43T Capacity
  • No Clutch
  • Standard Mount (RD-M21L), Claw Mount (RD-M21LA) Attachment
  • Steel / Composite Body Material
  • Steel Cage Material
  • Steel / Composite Outer Link Material
  • Shimano Mountain Compatibility
SKU KWT-MSH-RD-M21L
Barcode # 4710495436340
Brand MICROSHIFT
Shipping Weight 0.3000kg
Shipping Cubic 0.001000000m3

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