Challenge Latex Inner Tubes are the only seamless, one-piece latex tubes on the market, delivering a smooth, balanced ride with none of the puckering or bumps often seen on standard tubes. Lighter, thinner, and more flexible than butyl alternatives, these tubes increase comfort, reduce rolling resistance, and help prevent flats.Designed for high-performance road, gravel, and cyclocross riding, the 48mm aluminium valve stem version is compatible with Challenge Presta Valve Extenders—perfect for use with deep-section rims.Specification:
- Valve:Presta, 48mm aluminium stem
- Compatible Rim Depth:Use with Presta Extenders for deep-section rims
- Weight: 80 g (±10%)
- Tube Type:Latex
- Benefits:Lightweight, flexible, lower rolling resistance, smooth ride




