Block's three-level design lets you pick a height for your front tire
Ride longer and harder with a more natural position
Virtually indestructible, injection-molded construction
Stabilizes your bike for a worry-free ride in any rear-mounted trainer
The CycleOps Riser Block's unique three level design, let's you pick a height for your front tire that will make your trainer riding time more comfortable and productive. You'll train harder and longer, because you'll be riding a more natural position. Virtually indestrucible, the injection-molded Riser blocks stabilizes your bike for a worry free in any rear mounted trainer.