SHIMANO Crankset FC M171-A 28/38/48 - (6/7/8sp) - Square - 175mm Black RCZ Bike Shop
Shimano Tourney fc-m171-a Crankset Square 48-38-28 Z Chain Protection Black New | eBay
Shimano Altus M171 6/7/8-Speed 170mm 28/38/48t Square Crankset with Chainguard, Black - Walmart.com
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 (