Features:1.Both sides of the product added rubber ring, so that it is not easy to shake after installation and will not cause noise2.This adapter allows a 15mm thru axle hub to be installed on a standard 9mm dropout quick release fork.3.Itis simple to install, no need other tools, the adapter slips in the hubjust like the 15mm thru axle would. The wheel is then mounted and secured with your standard 9mm shaft quick release which is not included.4.Made of qualified alloy, solid and firm, ensures a long service time.5.Great accessory for cycling enthusiasts. Suitable for mountain bike.Specifications:Condition: 100% Brand New and High QualityMaterial: AlloyColor: BlackLength: Approx. 11cm / 4.3inchBilateral Diameter: Approx. 15mm / 0.6inchMiddle Diameter: Approx. 12mm / 0.4inchCard Position Outer Diameter: Approx.9mm/0.35inCard Position Inner Diameter: Approx.5.5mm/0.22inSuitable for: Approx. 5mm/0.2in quick release leverSuitable for Mountain BikeWeight: Approx. 38gPacking List:1 x Tube Shaft Conversion Adapter.