Material: Alu 6061 Forged Single Speed Bike Crank ,Full CNC 42T Alloy single Sprocket,rainbow plating chainring bolts.Only 1.68 lbs/set
Removable Chainring,2X Crank Design,easy to modify 1X 2X 130mm Bicycle Crankset; These are intended to be used on single speed Road Bike ,Fixed Gear Bicycle,BMX
BCD: 130 mm .Crank Arm Length: 170mm .Color: Matte Black . Compatible with 9/16 inch pedals; 1/2"*1/8" chain work well on this crankset
Bottom Bracket: Cups-1.37*24T/68mm~73mm,Compatible with: Shimano, FSA, Gaint ATX770 ATX770-D XTC 750 etc.,
Package Includes:1 x one fordged crank Arm set,1 x Bottom Bracket,1 x 42T Single Chainring,5 x Chainring bolts(set),1 x M18 crank screw,1 x Crankset bolt Allen Wrench