crank: Forged Alloy-6061-T6 165,170mm chainring: 3.0mm Alloy 100% CNC 44T Chain line: 45mm B.B.Axle:117.5mm We apologize for the inconvenience, but at the moment, we do not offer sales of this product to individual consumers. However, we do have options for B2B sales and would be happy to assist you through our offline business team. You can reach them at sales@wheeltop.com for further information.