> > wear so quickly that there is little > > doubt that they are 6000-series. That way, the company could underbid > > all the other companies who had to factor in the higher cost of the > > raw material... and they got the bid. > > Could have also skipped or screwed up the temper.
The chainring maker doesn't temper the aluminum. It is supplied as plates that are already tempered. If you buy from a reputable supplier, then the temper is guaranteed. You can get aluminum from cheaper sources, but the quality is not assured. Jan Heine Compass Bicycles Ltd. http://www.compasscycle.com Follow our blog at http://janheine.wordpress.com/ -- You received this message because you are subscribed to the Google Groups "RBW Owners Bunch" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/rbw-owners-bunch?hl=en.
