- 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.
- Stackable riser block for rear-mounted cycling trainers
- Unique 3-level design lets you select ideal training height
- Stacks with 2nd block to simulate climbing workouts
- Supports up to 12 adjustment levels with 2nd block
- Virtually indestructible injection-molded construction
- 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.
- Stackable riser block for rear-mounted cycling trainers
- Unique 3-level design lets you select ideal training height
- Stacks with 2nd block to simulate climbing workouts
- Supports up to 12 adjustment levels with 2nd block
- Virtually indestructible injection-molded construction