Loading... Please wait...What if you could run, sprint, and climb hills and never be sidelined by impact-related injuries? On the 8C, you'll get a high-intensity workout without the jarring impact of running or the discomfort of traditional cycling. It's perfect for fitness enthusiasts or cross-training athletes who will ride on flat and hilly terrain and desire a wide range of workout resistance levels. Removable Steering Extender, Removable Front Wheel. Climbing Ability: Steep hills (up to 20-30% grade). 8 different levels of resistance, 306% total resistance range, 17% difference between levels.