About the Elite Adjustable Front Wheel Elevator Block Elite Su- Sta Adjustable Front Wheel Elevator Block is a smartly executed travel block that offers a variety of training options in a compact package. Internal ratchet allows the use to raise or lower the front wheel, simulating slopes of up to 6%, including 5 different adjustments. Large footprint and non-slip feet add stability. Large footprint and non-slip feet add stability. ElastoGel wheel groove for improved security. Great for an easy set up and helps make your training consistent. Key Features > Simulates both flat terrains and slopes > Unique design with 5 levels including hill climbs to 6%.Anti-slip rubber eliminate handlebar vibrations > ElastoGel design that guarantees maximum wheel stability > Suitable for both road and MTB