Saris Climbing Riser Block Bike-Accessories-Pumps-Mini Polycarbonate shell

Polycarbonate shell

RPM Speed Sensor

Stop pushing and CO2 flow stops

reducing foot movement and increasing power transfer from rider to road

Most Efficient Dura-Ace SPD-SL Pedal Ever Created

Saris Climbing Riser Block Bike-Accessories-Pumps-Mini Polycarbonate shellClimbing Riser Block 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. Injection molded construction is virtually indestructible. Use 2 blocks for 12 different adjustment levels. 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)