Bikesmith - MODEL NO FC-M523 SERIES SHIMANO Color Black, Silver Bike Type MTB Axle length of BB-UN/ ES (mm)_Threaded (normal) 118 Arm adapter ✓ Chain line (mm) 50 Chain ring combination 40
Shimano Deore M523 Crankset, Black | Bikeinn
Shimano FC-M523 MTB Bike Crankset Octalink V2 40/30/22T Triple 10s 170mm NEW - Walmart.com
Shimano FC-M522/M523/T521 Flower Spline Hollow Crank 96BCD Left Right Crank Crankset Repair Parts 170mm 175mm