Factory Price Bottom Bracket Bike Crank Arm Set 3X Bicycle & Chainwheel for Road Mtb

Crank Length:170 mm Chainwheel Teeth:24-32T Use:Road Bicycles Brand Name:JK Model Number:IXF-431PT Place of Origin:China Category:Chain Wheel Speed:11S Product name:Bicycle crankset Material:Aluminum alloy + steel Weight:Approx 1.1g BCD:104/64mm Crank Arm Length:170mm Bottom Bracket Width:68-73mm Support:30-10Speed Teeth:42-24-32T Fit for:Mountain transmission system 30 speed ColorFixed Gear Bike Parts:Black