Indoor Cycling

This height-adjustable front wheel support can simulate both flat terrain and slopes perfectly - Unique design with 5 levels lets you adjust the height of your front wheel to simulate hill climbs up to 6% - Anti-slip rubber feet eliminate handlebar vibrations - Internal design that guarantees maximum wheel stability - Suitable for both road and MTB - You can attach to the trainer frame when not in use for easy transport and storage

For a stable, worry-free ride with any rear wheel-mounted trainer. Product Features - For a stable, worry-free ride with any rear wheel-mounted trainer. - Unique 3-level design lets you select the level of difficulty. - Stack two blocks to simulate climbing workouts. Three different positions to raise your front wheel and simulate hill climbs - 2.1 inches (5.3 cm) - 2.7 inches (6.8 cm) - 3.1 inches (7.9 cm)