Note:The Crank is compatible with single speed chainring,not only high compatibility,and ultralight,with high strength axle.Narrow wide chainring will grip the chain perfectly, prevent chain drops, and they both are made of aluminum allo,CNC machining.We will ship from UK warehouses,fast and efficient shopping experience, as well as brand quality assurance for you. Crank description: Brand: FMFXTR Crank Arm length: 170mm Material: aluminum alloy Compatible: single, double, and triple chainring Bolt Center Diameter: 104mm BCD Weight: about 598g (right & left) Color: black Advantages: light weight,stylish appearance,very cool,high strength axle,strong compatibility Chainring description: Brand: SNAIL Material: 7075-T6 Aluminum alloy Size: 32-52t Compatibility: 8,9,10,11 speed chain Bol.
eBay