HOLLOWTECH II Crankset

FC-M8120-1

FC-M8120-1

HOLLOWTECH II Crankset

  • FEATURE
    • Special MTB gear teeth profile improves chain engagement and retention
    • Hollow forged crank maximizes power transfer while limiting weight
    BENEFIT
    • Superior chain retention
    • Rigid and lightweight design for aggressive trail riding
    • 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 SHIMANO 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 Arm Length 165 mm, 170 mm, 175 mm, 180 mm
Crank fixing bolt included
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 68 mm, 73 mm
Q-factor (mm) 178

SERIES LINE-UP

  • Chainring SHIMANO DEORE XT Chainring 12-speed
  • Pedal PD-M8100
  • Pedal PD-M8140
  • Rear Derailleur SHIMANO DEORE XT Rear Derailleur 1x12-speed

REPLACEMENT PARTS

  • Chainring Chainring 28T for FC-M8100-1/FC-M8120-1/FC-M8130-1
  • Chainring Chainring 30T 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 34T for FC-M8100-1/FC-M8120-1/FC-M8130-1