SLX HOLLOWTECH II MTB Crankset 178 mm Q-Factor 2x12-speed

FC-M7120-B2

FC-M7120-B2

SLX - HOLLOWTECH II - MTB Crankset - 178 mm Q-Factor - 2x12-speed

The SLX FC-M7120-B2 crank features an entirely new construction, using direct mount chainrings, special gear tooth profile for improved chain retention, and a 178mm Q-factor.

  • Smoother driving even over bumpy terrain
  • Rigid and lightweight design boosts trail-riding enjoyment
  • Hollow-forged crank maximizes power transfer while limiting weight
  • HOLLOWTECH II
  • Rider tunable
  • Exchangeable single/double chainring
  • Direct mount
  • Crankset can be used as common component
  • Easier gearing than racing groupsets
  • Extra wide range with front double 36-26T
  • Q-factor: 178 mm
  • Chainline: 51.8 mm

TECHNOLOGIES

PRODUCT SPECIFICATIONS

MODEL NO FC-M7120-B2
SERIES SLX M7100 Series
Color Series color
Average weight 684 g
   
Chain line (mm) 51.8
Chain ring combination 36-26T
Compatible BB type_Outboard
Compatible chain HG+ 12-speed
Crank fixing bolt included
Crank arm length (mm)_165.0
Crank arm length (mm)_170.0
Crank arm length (mm)_175.0
Gear arms 4 arm
HOLLOWTECH II
Optional chain guard_Without chain / bash guard
P.C.D. (mm) Direct
Rear speeds 12 (Front double)
Recommended BB_Pressfit BB-MT800-PA
Recommended BB_Threaded (normal) BB-MT800
Threaded BB shell width_68mm
Threaded BB shell width_73mm
Q-factor (mm) 178

SERIES LINE-UP

  • Brake SLX FLAT MOUNT Disc Brake Caliper
  • Pedal SPD Trail Pedal
  • Crankset 2-PIECE CRANKSET for 148 mm O.L.D. Frames 2x12-speed
  • Crankset 2-PIECE CRANKSET for 135 mm and 142 mm O.L.D. Frames 2x12-speed

REPLACEMENT PARTS

  • Chainring Chainring 36T for FC-M7100-2/FC-M7120-B2
  • Chainring Chainring 26T for FC-M8100-2/FC-M8120-B2/FC-M7100-2/FC-M7120-B2