CRANK LENGTH: 170,172.5,175mm GEAR: 36/26T CRANK MATERIAL: AL-6061-T6 CRANK FINISH: HBK INNER CHAINRING: 2mm STEEL CHAINRING FINISH: ED OUTER CHAINRING: 3mm Alloy CNC Detail CHAINRING FINISH: HBK OUTSIDE BEARING: 24mm COMPATIBILITY: 11/12S CHAINLINE: 48mm PCD: 104mm Q-FACTOR: 181mm WEIGHT: 850g 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.