Challenge Aluminium Valve Extender Kit –Â for use with our HUP 50mm wheelsets and the Challenge Latex inner tubes…
- Application: Gravel, Cyclocross, Road
- Valve Material: aluminium
- Valve Type: Presta
- Valve Length: 31.5Â mm
British Cycling/British Triathlon Age Group Gear Restritction Rollout:
For full advice on tyres/gearing for British Cycling/British Triathlon gear restricted events CLICK HERE










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