Old 01-07-22, 08:35 AM
  #38  
Trakhak
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Originally Posted by noimagination
No offense to you, but I've been riding multi-geared bikes for 35+ years, and in all of those years I've gotten a bike back from the shop that shifted perfectly exactly once. Bikes shift differently under load than they do on the stand. IME at a minimum they (nearly always) require a bit of a turn on a barrel adjuster after they've been in the shop. (I've even gotten a bike back from the shop that wouldn't shift into the highest gear (lowest cog), and I had to back out the limit screw.) Bike shops are great, they're one of my favorite places on Earth, and I pay them to do a lot of stuff I'm not competent to do or that I just don't want to do. I also pay them to fix my boneheaded mistakes when I've screwed up a repair/maintenance/install task. However, mechanics are human, they sometimes have to rush to satisfy everyone, and you never know who's been working on your bike (especially in the summer when the shop may have hired on some teenagers to help during the busy season).

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Obviously new bikes need minor adjustments after the break-in period. That's why bike shops provide a free tune-up after 30 to 90 days for the bikes that they sell. In this case, the kid had been screwing the derailleur limit screws all the way in, since he didn't understand how derailleurs work.
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