The RAD Cycle Products Riser Block is designed specifically for the indoor bike trainer to keep your bicycle level during your work out without the slippage that other riser blocks suffer. Made of injection molded for years of use, the RAD Cycle Products Riser Block will always be there when you need it.
Made of Injection Molded Plastic
Dimensions: 9" x 5" x 2.5"
Super stable and stylish too
For use with all indoor bicycle trainers