Kreitler Challenger Rollers feature lathe turned alloy drums and ploycarbonte endcaps. Drums are sold in 3 sizes and come with corresponding roller belt. Roller frame to be purchased separately.

Features:

- Smaller diameter drums provide more resistance

Challenger Drums use polycarbonate end caps

Kreitler rollers utilize modular technology and have a lifetime warranty

Purchase each component individually to make a set of rollers

Smaller drums = more resistance

All drum kits include roller belt

4.5" Diameter is Killer Headwind compatible