Aluminum alloy axle adapter for bicycle

This product converts a 12mm thru-axle hub into a standard 9mm quick-release hub. After installation, the hub's inner diameter is 9mm. Rubber O-rings are added to each side of the product for optimal stability and quiet operation. Features: - Color: Black. Dimensions: 11.20 x 1.20 x 1.20 cm. Material: Aluminum alloy. - Easy installation: Quick and tool-free attachment; simply insert the adapter into the thru-axle hub. Saves considerable time. - Rubber O-rings on each side of the adapter ensure excellent stability and optimal protection. - Fade-resistant surface treatment for increased durability. - Neat finish and innovative design for a popular and practical product.