• When the frame does not have a disc brake seat, the disc brake can be installed after installing this accessory
• Made of high quality aluminum alloy, durable to use
• Easy to install and remove

Specifications:

• Size: 121 * 75 * 15mm
• Material: aluminum alloy
• Weight: 122g

Note: This product is not a general-purpose product. The frame must be of normal triangle shape, and the wheel set must be of quick disassembly structure. Please carefully confirm whether it is suitable before purchasing.