The Flywheel provides a rider with greater resistance and allows for higher aerobic and anaerobic levels of exercise. Left and right side Flywheels are sold separately and are for use with Standard Kreitler Roller Frames only.
An additional $2.00 for ground shipping will be charged during checkout.
![Kreitler Challenger 3.0 Rollers 15" drum](https://cdn11.bigcommerce.com/s-kvyj4/images/stencil/500x659/products/129/315/krt-ply__47879.1375838206.jpg?c=2 "Kreitler Challenger 3.0 Rollers 15" drum")
