TY501 crank with chain rings, without inner bearing Use: Mountain Bike Features: Steel chain rings Case Width Side to Side: 68/73 mm Chain Rings Number Chain Rings: 3 ; Gear Ratio: 24-34-42 teeth crank , axle Socket: Square ; Chain line: 47.5 mm Chain Guar
TY501 crank with chain rings, without inner bearing Use: Mountain Bike Features: Steel chain rings Case Width Side to Side: 68/73 mm Chain Rings Number Chain Rings: 3 ; Gear Ratio: 24-34-42 teeth crank , axle Socket: Square ; Chain line: 47.5 mm Chain Guard ; Chain protection ring ; Chain guard compatible
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