Features1Sturdy molded plastic construction. 2Raise the front wheel to increase stability and achieve level riding position. 3Non-slip feet pads protect your floor from damage and keep you safe while riding. 4Suitable for mountain bikes and road bikes. 5Includes a quick-release skewer.SpecificationFeatures:Sturdy molded plastic construction.Raise the front wheel to increase stability and achieve level riding position.Non-slip feet pads protect your floor from damage and keep you safe while riding.Suitable for mountain bikes and road bikes.Includes a quick-release skewer.Specifications:Material: PlasticFront Wheel Riser: 22.3 * 11 * 5.5cm / 8.8 * 4.3 * 2.2in;Weight: 138g / 4.9ozSkewer: 20cm / 7.9in; Weight: Approx. 100g / 3.5ozPackage List:1 * Front Wheel Riser1 * Quick Release SkewerPackage List1 * Front Wheel Riser1 * Quick Release Skewer