Description brand new and high quality Features: This type of converter is used for bicycle hub axle conversion. 2 types can be available for you to choose: convert 100 to 110 or convert 142 to 148,please confirm which type you need before order. Aluminum alloy materials,offer high intensity and durable. Specification: Material: Aluminum Alloy Type: Hub Suuplies Color: As pictures shown Size: 100 to 110: Front Axle Diameter: 15mm(0.59in) 142 to 148: Rear Axle Diameter: 12mm(0.47in) Quantity: 1 pc(other accessories demo in the picture are not included!) Note:1.Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes(without retail package): 1 x Converter