Challenge Valve Extender Alloy Size:41.5mm -2pcs+tool well‑rounded choice

well‑rounded choice

RVP276 for easy reference

lightweight material that preserves visibility while cutting heat and glare

The flavor is distinctly smooth and naturally sweet

100 m of 12 mm plaited rope for length and reliability across a variety of anchor setups

Challenge Valve Extender Alloy Size:41.5mm -2pcs+tool well‑rounded choiceSpecifications: Application: Gravel, Cyclocross, Road Valve Material: Aluminium Valve Type: SV (Sclaverand Presta) Valve Length: 31. 5 mm, 41. 5 mm, 55. 0 mm Valve Information SV Presta Valve: Synonyms: Sclaverand Valve (SV), French Valve, Presta Valve Outer Diameter: 6. 5 mm Other: all Challenge tubes with a Presta valve can be unscrewed (To lengthen the valve, add anti flat agents, etc.). Manufacturer Numbers: 31. 5 mm: 90020 41. 5 mm: 90021 55. 0