Indoor Cycling

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)

The Saris Leveling Block keeps your bike level with your trainer. - Adds stability to your training ride. - For use with any rear wheel-mounted trainer. - Raises front bicycle tire 1.1 inches (2.8 cm) off the ground

Kinetic's Riser Ring lets you level your bike when you're riding on your trainer. Plus, there are 3 other steps that let you simulate climbing by elevating the front wheel. The Riser Ring is simple to use and stable for excellent support. - Designed for the following Kinetic trainers: the Road Machine, Magnetic, and Cyclone