If you are in need of a quality riser block for your bicycle trainer, look no further. The RAD Cycle Products Super 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 Super Riser Block will always be there when you need it.

FEATURES:

Made from Injection Molded Plastic.
For use with all indoor bicycle trainers!
Dimensions: 8.5″ x 4.75″ x 2.75″.
LIFETIME WARRANTY!