Mike Rudkin
Well-Known Member
- Location
- Worle.North Somerset
Can any one recommend an extender that works well? My current rims are 40mm deep and the valves on my Schwalbe slime filled tubes are only just long enough (it is the longest they do according to Halfrauds) I want to use the same tubes on wheels with a 50mm deep rim. Help !! 
Mike.

Mike.