Thru Axle Quick Release Adapter for MTB Hubs 12mm/15mm to 9mm Conversion

🚴‍♂️【Powerful hub】Convert 12mm QR hub to standard 9mm hub and Convert 15mm QR hub to standard 9mm. Change the barrel shaft 12 MM to 9MM or 15 MM to 9MM quick release. Both sides of the product are equipped with aprons, which can reduce the shaking and play aprotective role, so that the tightness between the installed barrel shaft and the hub is higher.

eBay