The Crank is compatible with single and double, triple 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.64 mm/104 BCD chainrings to fit all standard cranks with 4 bolt, 104 mm spiders. 38-26T/ 10 speed compatible,These chainrings are made from high quality material, make suring they can handle the abusive ways of the trail.Steel(26T),Steel+Nylon(38T) Crank： Brand: BUCKLOS Color: Black Weight:541g Bolt Center Diameter: 64mm/104mm BCD Crank Length (mm): 170mm Material: CNC Forged 6061 Aluminum Alloy Compatible: single, double, and triple speed chainring Advantages: light weight,stylish appearance,very cool,high strength axle,stron.
