Inner tube Challenge Seamless Latex 700C × 33–40 Presta 48 mm: a seamless latex construction and a 48 mm Presta valve.
| Feature | Specification |
|---|---|
| Size | 700C × 33–40 mm |
| Valve | Presta |
| Valve length | 48 mm |
| Material | Latex |
| Construction | One-piece seamless construction |
| Ride characteristics | Thin, flexible latex supports comfort and low rolling resistance |