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2

I have two main approaches: look for someone who owns one who is nearby. With recumbents and tandems this is often easier as there are clubs and online forums for people who own them. For unusual-but-not-too-unusual bikes you may have to ask questions on local cycling forums and hope for the best. With fora like strava encouraging people to list their toys ...


5

Next to the M and L, it lists 65"-70", and 68.5"-75". " is an abbreviation for inches. So at 5'8" (5 feet 8 inches), or 68 inches, the M is probably a better fit, but if the rider is still growing, you might get the large because it's so close. That said, it seems to be a very expensive bike to be buying without a test ride first, even more so when you are ...


1

I think you are concerned with the 'rate of degradation'. I've designed sports helmets recently that use similar materials (EPS for example), but not for so long as to ascertain all aspects of durability. Your biggest concern would be loss in mechanical strength on photodegradation. The rate of change in the mechanical integrity of expanded polystyrene ...



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