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Just realized I'd been setting chain tension by feel for 15 years
Had a rear derailleur skip under load in Helena last week, and a buddy asked when I last used the 3mm rule. So what's the real side here: do you go by spec or by hand after enough years?
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the_joel9d ago
Been wrenching on bikes for 20 years and honestly it's the same thing with torque specs on stem bolts. Everybody says just snug it up, then someone cracks a carbon bar and suddenly we all remember there's a number for a reason. The body learns bad habits fast and they feel right because nothing broke yet. Sort of like how people drive without checking tire pressure for years until a blowout on the highway teaches them. Your hands remember what worked, not what's correct.
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