Tubolight Gravel Insert, 700x37-45mm, Pair Part Type_Tube Sealant designed specifically for serious cyclists

designed specifically for serious cyclists seeking optimal comfort on long-distance rides

offering a 5mm drop or rise to customize ride geometry for optimal control and comfort

this high-quality freehub body is essential for serious mountain bikers and road cyclists seeking reliable performance on every ride

Constructed from high-grade stainless steel for superior corrosion resistance and long-lasting durability in all weather conditions

Ideal for upgrading or replacing worn or damaged hardware

Tubolight Gravel Insert, 700x37-45mm, Pair Part Type_Tube Sealant designed specifically for serious cyclistsSince its first introduction, Tubolight proved to be the winningest tire insert and the only one winning in all disciplines. The best combination between flat protection, speed, shock absorption, stability and weight. The portion over the rim bead is increased by 30% to 60% depending on rim width, and together with a harder compound, rim hits are drastically reduced. Offers the highest level of safety and the lowest possible increase in weight. Valves