shsyue Bike Crank Arm Set, Aluminum Alloy Outdoor Mountain Bike Chain Wheel 170mm 104 BCD with Bottom Bracket Kit and Chainring Bolts, for MTB BMX Road Bicyle

Features & details Features 【Material】Mountain bike cranket is made of aluminum alloy and Chainrings is made of iron, Light weight, high axial strength and compatibility.

【Crankset】Bike Crank Arm Length: 170mm, Central Axis Length:68*118MM--120MM (square hole),Fits 21/24/27 shifting speed Chainring mountain bikes.

【Package Includes】Road bike crankset Package: 1 x 170mm square crank; 1xChainring(set); Chainring bolts