Challenge Smart-Tubeless Sealant-W/Applicator250Ml Colour:250ml reflecting a tradition of quality

reflecting a tradition of quality and dependable performance on the road

A truly practical upgrade for anyone who values both form and function on the move

U Bolt 100mm

Put on the jacket and adjust all three belts until the jacket sits firmly but comfortably—there should be no slack at the chest or waist

It is designed for the toughest terrain at high speed for long rides

Challenge Smart-Tubeless Sealant-W/Applicator250Ml Colour:250ml reflecting a tradition of qualityHigh performance tubeless systems deserve exceptional sealant. Challenge Smart Tubeless Sealant was designed to work with both traditional and handmade TLR tires. This non allergenic, ammonia free formula can seal up to 6mm cuts, remains liquid in the tire for up to 6 months, doesn't coagulate with Co2 use and won't damage rims or tires.