Chainring: 26T/36T (Shimano), 32T 34T 36T (Wuzei)

Crank Arm Length: 170mm/175mm
Compatible bottom bracket type_ on the outside: ✔
Compatible chains: HG-X11 11 speed, HG-X 10 speed
Sprocket fixed arm/crank claw: 4
Optional chain guard_without chain/anti-shock chain guard: ✔
Rear gear: 11/10
Recommended bottom bracket _ press-in type: BB-MT500-PA
Recommended bottom bracket_thread (normal): SM-BB52
Thread bottom bracket width (mm): 68mm/73mm
P.C.D. (mm): 96
Q factor (mm): 178.5
Chain center line (mm): 48.8
O.L.D._QR/Nut (mm): 135, 141
O.L.D._Cylinder shaft (mm): 142, 148

***These are OEM Shimano Parts, Brand new, Never Installed on Bike, Never used in any way, just NOT in retail packaging.***