Description: * brand new and high quality *Made of high quality material, durable and practical to use *front hub quick release M9 to 15MM barrel shaft (opening: 100mm) Rear hub: M10 to 12mm barrel shaft (open gear: 135mm to 142 barrel shaft) rear hub is divided into 8-11 speed and 12 speed Specification: *Material: Aluminum alloy *Color: Black (As Pictures Show) Package Includes: 1pair Adapter Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. Features: Lierteer Bike Hub Qr Quick Release Thru Axle Adapter Converter End Cap 9-15/10-12 Material: light weight, good strength and well temperature resistance, good impact resistance Appearance and performance: automatic cutting, smooth edge, fit most of the road bicycles, delicate texture. Compatibility: smooth surface and exquisite workmanship, fit most of the bicycles. Easy Installation: Brand new and high quality, easy to install.