Contact Us

Mon-Fri 9am-5pm MST


Shimano SLX FC-M7120-1 1x12 Crankarms



The Shimano SLX FC-M7120-1 1x12 crankarms features an entirely new construction, using direct mount chainrings, special gear tooth profile for improved chain retention, and a 178mm Q-factor. New construction provide consistent long-life shifting performance and chain management, and the FC-M7120 crankarms can run 30T, 32T, or 34T, Shimano Direct Mount chainrings on its 178mm Q-factor crankarms, saving weight through the targeted application of hollow bonded construction. Chain Ring Instalation tool TL-FC41, Not Included.


  •  Chainring and BB sold separately 
  •  Weight: 638 grams (175mm crankarms) 
  •  12-speed 
  •  Hollow forged crank maximizes power transfer while limiting weight
  •  Direct Mount Chainring (sold separately)
  •  1x with proprietary chain retention technology 
  •  Q-factor: 178mm 
  •  Chain Line: 55mm 
  •  Boost 148mm O.L.D. 

Model Number
Item Code
Shimano SLX FC-M7120-1 1x12 Crankarms