Shimano Altus FCM315-2 Crankset 175mm w/36/22 Chainrings

. Precise and reliable shifting
. SG-X chainrings
. Consistent off-road front shifting
. Hyperdrive

Technical Specifications
. Model No: FC-M315-2
. Series: ALTUS M310 Series
. Colour: Black
. Rear speeds: 8/7
. Compatible chain: HG 8/7/6-speed
. Chain line (mm): 48.8 - 48.8
. O.L.D.|Thru (mm): 142
. O.L.D.|QR/Nut (mm): 135
. P.C.D. (mm): Riveted
. Spider/gear arms: 4
. Chainring combination: 36-22T
. Q-factor (mm): 179.4
. Crank arm length (mm): 175
. Optional chain guard|Without chain/bash guard: Yes
. Compatible bottom bracket type: Square
. Recommended bottom bracket|Threaded (normal): BB-UN101 | BB-UN101
. Axle length of BB-UN/ES (mm)|Threaded (normal) : LL123 | LL123
. Threaded bottom bracket shell width (mm): 68/73
. Crank fixing screw included: Yes