FC-M8120-1

  • Superior chain retention
  • Special MTB gear teeth profile improves chain engagement and retention
  • DYNAMIC CHAIN ENGAGEMENT+
  • Rigid and lightweight design for aggressive trail riding
  • Hollow forged crank maximizes power transfer while limiting weight
  • HOLLOWTECH II
  • Q-factor: 178 mm
  • Chainline: 55 mm
  • Weight: 616 g (28T), 630 g (30T), 628 g (32T), 642 g (34T), 660 g (36T)

TECHNOLOGIES

PRODUCT SPECIFICATIONS

MODEL NO FC-M8120-1
SERIES DEORE XT M8100 Series
Color Series color
Average weight 660 g (36T), 642 g (34T), 628 g (32T), 630 g (30T), 616 g (28T)
   
Chain line (mm) 55
Chain ring combination 28T, 30T, 32T, 34T, 36T
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
Crank arm length (mm)_180.0
Gear arms 4 arm
HOLLOWTECH II
Optional chain guard_Without chain / bash guard
P.C.D. (mm) Direct
Rear speeds 12
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

  • Crankarm SHIMANO DEORE XT HOLLOWTECH E-MTB Crank Arm Set
  • Brake SHIMANO DEORE XT FLAT MOUNT Disc Brake Caliper
  • Brake SHIMANO DEORE XT Hydraulic Disc Brake 2-Piston Caliper
  • Brake Lever SHIMANO DEORE XT Hydraulic Disc Brake Lever I-SPEC EV Clamp Band

REPLACEMENT PARTS

  • Chainring Chainring 36T for FC-M8100-1/FC-M8120-1/FC-M8130-1
  • Chainring Chainring 34T for FC-M8100-1/FC-M8120-1/FC-M8130-1
  • Chainring Chainring 32T for FC-M8100-1/FC-M8120-1/FC-M8130-1
  • Chainring Chainring 30T for FC-M8100-1/FC-M8120-1/FC-M8130-1