Originally Posted by
JohnDThompson
I'm not sure that's a real reason; otherwise, shops could offer patching without guarantee at a discount over replacement. But if the cost of patching exceeds that of replacement, there's no incentive to offer patching as an option. Perhaps that will change with hyper-expensive TPU tubes.
Arguing that a shop would do well to offer yet a third (no-guarantee) option is a step too far for so simple and inexpensive a repair job.
Reminds me of an eccentric mechanic I worked with in another shop whom I overheard buttonholing a polite Brit at the Sturmey Archer booth at the New York Bike Show in the early '80's. The S.A. rep kept a straight face as Mike argued earnestly that the company should sell cards of replacement links for indicator rod chains.
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My aluminum bikes: Light, strong, cheap, and comfy.