Challenge Valve Extender Alloy

Specifications:

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

• 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 mm:

90022

Contents:

• 2 x Challenge valve extenders
• 1 x keys

• black/41.5 mm: 4 g
• black/31.5 mm: 3 g