SHIMANO DEORE XT HOLLOWTECH II MTB Crankset 178 mm Q-Factor 2x12-speed

FC-M8120-B2

Series color
FC-M8120-B2

FC-M8120-B2

SHIMANO DEORE XT - HOLLOWTECH II - MTB Crankset - 178 mm Q-Factor - 2x12-speed

The SHIMANO DEORE XT FC-M8120-B2 crank features an entirely new construction, using direct mount chainrings, special gear tooth profile for improved chain retention, and a 178mm Q-factor.

Rigid and lightweight design for aggressive trail riding
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
Q-factor: 178 mm
Chainline: 51.8 mm

TECHNOLOGIES

PRODUCT SPECIFICATIONS

MODEL NO	FC-M8120-B2
SERIES	DEORE XT M8100 Series
Color	Series color
Average weight	662

Chainring combination	36-26T
Compatible bottom bracket type_Outboard	✔
Crank fixing screw 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	✔
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)	178
Chain line (mm)	51.8
Compatible chain	HG 12-speed
P.C.D. (mm)	Direct
Rear speeds	12 (Front double)
O.L.D._QR/Nut (mm)	141
O.L.D._Thru (mm)	148