SHIMANO FC-M171 BICYCLE 170 MM 48/38/28 TOOTH JIS RIVETED CRANKSET | eBay
What does the "-A" in a Shimano "FC-M171-A" crankset mean? - Bicycles Stack Exchange
The Bike Shop - Shimano- Crank M171, w/ CG, w/o Bolt Model No. FC-M171 Rear Speeds 8/7/6 Chaining Combination 42-34-24T Spider or Gear Arm 4 Arm PCD (mm) Riveted Crank Arm Length (