Tubolight Gravel Insert, 700x37-45mm, Pair Part Type_Tube Sealant - Hybrid Ceramic Bearings: Featuring

- Hybrid Ceramic Bearings: Featuring high-grade ceramic balls paired with stainless steel races

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

Stylish retro black and tan aesthetic

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

Tubolight Gravel Insert, 700x37-45mm, Pair Part Type_Tube Sealant - Hybrid Ceramic Bearings: FeaturingSince 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