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For a stable, worry-free ride in any rear-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. Patents issued and pending.
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We currently ship within the US, with more countries coming soon.
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🇺🇸 Ship from USA · On Agora since 2025
$23.99