Crank description: Brand: BUCKLOS Color: black Crank Arm length: 170mm Material: AL6061 aluminum alloy Compatible: Single/Double/Triple chainring; for 7/8/9/10/11/12S chainring Bolt Center Diameter: 104mm BCD Weight: about 707g (right & left) Advantages: light weight,stylish appearance,very cool,high strength axle,strong compatibility.
