Description: Premium molded plastic stand provides stability support for your riding workout Raises the front wheel to enable your natural riding position and protect your floor at the same time Designed to suit both mountain bike and road bike front wheels Bottom Anti-slip pad feet keeps bike in place all time Provides 2.5 inch rise Specification: Material : Engineering Plastic Color: Black Dimensions: 23x12cm/ 9 x 4.7 inch Package Includes: 1 Piece Indoor Bike Riser Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks!