SHIMANO DEORE XT HOLLOWTECH II MTB Crankset 172 mm Q-Factor 1x12-speed

FC-M8100-1

FC-M8100-1

SHIMANO DEORE XT - HOLLOWTECH II - MTB Crankset - 172 mm Q-Factor - 1x12-speed

The SHIMANO DEORE XT FC-M8100-1 crank features an entirely new construction, using direct mount chainrings, special gear tooth profile for improved chain retention, and a 172mm Q-factor.

  • 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: 172 mm
  • Chainline: 52 mm
  • Weight: 608 g (28T), 622 g (30T), 620 g (32T), 633 g (34T), 651 g (36T)

TECHNOLOGIES

PRODUCT SPECIFICATIONS

MODEL NO FC-M8100-1
SERIES DEORE XT M8100 Series
Color Series color
Average weight 651 (36T) 633 (34T) 620 (32T) 622 (30T) 608 (28T)
   
Chain line (mm) 52
Chainring combination 28T, 30T, 32T, 34T, 36T
Compatible bottom bracket type_Outboard
Compatible chain HG 12-speed
Crank fixing bolt included
Crank arm length (mm)_165
Crank arm length (mm)_170
Crank arm length (mm)_175
Crank arm length (mm)_180
Spider/Gear arms 4
HOLLOWTECH II
Optional chain guard_Without chain/bash guard
P.C.D. (mm) Direct
Rear speeds 12
Recommended bottom bracket_Press-fit BB-MT800-PA
Recommended bottom bracket_Threaded (normal) BB-MT800
Threaded bottom bracket shell width (mm)_68
Threaded bottom bracket shell width (mm)_73
Q-factor (mm) 172
Chain line (mm) 52
Compatible chain HG 12-speed
P.C.D. (mm) Direct
Rear speeds 12
O.L.D._QR/Nut (mm) 135, 141
O.L.D._Thru (mm) 142, 148

SERIES LINE-UP

  • Rear Derailleur DEORE XT Rear Derailleur SHIMANO SHADOW RD+ 1x12-speed
  • Crankarm SHIMANO DEORE XT HOLLOWTECH E-MTB Crank Arm Set
  • Brake SHIMANO DEORE XT FLAT MOUNT Disc Brake Caliper
  • Bottom Bracket SHIMANO DEORE XT Press-Fit Bottom Bracket 89.5/92 mm shell width

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