Andrew R Stewart wrote:
> Marten- Actually the wholesale cost of like tubed but different length
> presta valves is not different by much. Now the longer PV tubes were
> more initially expensive (at the wholesale level) a while ago. But what
> things cost at retail levels is often about economics of scale at the
> manufacturing stage, managing inventory cost and the competition
> throughout the supply chain.
here conti charges the same for 42 or 60mm Schalbe's 60 are 25% more expensive, and a lot more if you take into account I can't get them in boxes of 50 Vittoria charges 53% extra for a 51 over a 42
-- mvg
Marten Gerritsen
Kiel Windeweer
Netherlands