Notice Name Change: Because of licensing agreement, Mr Tuffy has changed their name to FAT BIKE still made in the same USA factory the same quality, the same product but different packaging.
- Provides a protective layer between road and trail hazards and inner tube
- Improved advanced polyurethane micro-shell technology features a hardened protective outer layer and an ultra-soft inner layer to cushion the tube
- Weighs less than liquid sealants or thorn-resistant tube
- Contributes to a smooth, stable ride
- Easy to install - no gooey mess
- Reusable (just remember to remove them when you get new tires)