Shimano

Shimano Deore XT FC-M8120-1 1by Crank Arm Set without Chainring

FEATURES

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)

 

PRODUCT SPECIFICATIONS

MODEL NO	FC-M8120-1
SERIES	DEORE XT M8100 Series
Color	Series color
Average weight	660 (36T) 642 (34T) 628 (32T) 630 (30T) 616 (28T)

Chainring combination	28T, 30T, 32T, 34T, 36T
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)	55
Compatible chain	HG 12-speed
P.C.D. (mm)	Direct
Rear speeds	12
O.L.D._QR/Nut (mm)	141
O.L.D._Thru (mm)	148

 

TECHNOLOGIES