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What’s your “dumbest” bike repair mistake?

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What’s your “dumbest” bike repair mistake?

Old 03-24-19, 03:08 PM
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Good judgement comes from experience..
Experience comes from bad judgement.
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Old 03-24-19, 04:22 PM
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Dumbest is the one I did not do. Left seat angle the same on my Zenetto for over five years. Now metal clamshells are frozen in carbon fiber seatpost.
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Old 03-24-19, 07:44 PM
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I decided to move into the modern world this past summer and got a new wheel with a PowerTap hub. I figured I'd also change the gearing, so I got a new cassette, chains and chainrings. You have to know that the most I'd done up to this time was change a flat and true a wheel, so this was all new territory for me. In addition to the mistake Jppe cited in the original post, I also failed to realize that the middle chainring on a triple is different from the small chairing on a double (hey, they're the same # of teeth!). And I think I had a chainring on backwards. And I failed to get the crank set all the way back in properly. And maybe a few other things -- the very friendly bike mechanic at the local shop made a list for me so that I wouldn't make the same mistakes again :-) Not too expensive a lesson, and I'm sure I'll try again one of these days.
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Old 03-24-19, 11:58 PM
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Originally Posted by grayEZrider View Post
Last summer I replaced a tube on a nearby kids MTB. (I don't charge anything for repairs to local bikes brought to my retired "Gone fishing" bike shop by neighbors). I put 60psi in it and set into the back of my truck. About five minutes later from inside the shop I hear BLAM!! Flat again. I had forgotten the rim strip. I just can't figure why it took so long to blow.
Forgot about that one. I replaced a steel fatbike wheel with an alloy wheel with all those cool holes in it . Pumping up the tire, the tube pushed out of the thirty six 3/4" holes like cousin Daisy filled out her shirts on Dukes of Hazzard. I was inside my house when I heard the kablam.

Being car guys, the Dukes would have known about PVC rim strips, but they were new to me. Well, I bought one, The rip in the tube was a starburst pattern, 3/4" across, and that was how I was able to patch it first from the inside of the tube, and then a second patch outside,
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Old 03-29-19, 10:39 PM
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Originally Posted by Wildwood View Post

It's tough when you install stuff while the bike is upside down, eh? That's excellent though, thanks for posting.
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Old 04-21-19, 01:20 PM
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Originally Posted by Wildwood View Post

Haven't done this one (yet), but remounting cranks so they are both down at the same time.... It was funny briefly, but it really makes climbing hills HARD.
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