Shimano XTR FC-M9120 Crankset

SHIMANO XTR - HOLLOWTECH II - MTB Crankset - 168 mm Q-Factor - 1x12-speed The SHIMANO XTR FC-M9120-1 crank features an entirely new construction, using direct mount chainrings, special gear tooth profile for improved chain retention, and a narrow 168mm Q-factor. The FC-M9120-1 uses a 52mm chain line.  569g PRODUCT SPECIFICATIONS MODEL NO FC-M9120-1 SERIES XTR M9100 Series Color Series color Average weight 545 (30T) 548 (32T) 562 (34T) 561 (36T) 569 (38T) Chainring combination 30T, 32T, 34T, 36T, 38T Compatible bottom bracket type_Outboard ✔ Crank fixing screw included ✔ Crank arm length (mm)_165 ✔ Crank arm length (mm)_170 ✔ Crank arm length (mm)_175 ✔ Spider/Gear arms 4 HOLLOWTECH II ✔ Optional chain guard_Without chain/bash guard ✔ Recommended bottom bracket_Press-fit SM-BB94-41A Recommended bottom bracket_Threaded (normal) SM-BB93 Threaded bottom bracket shell width (mm)_68 ✔ Threaded bottom bracket shell width (mm)_73 ✔ Q-factor (mm) 168 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