I just had my bike tuned up last week and when I dropped it off i was told I had a loose spoke and my wheels were out of true. Unfortunately, I assumed they were correct and told them to go ahead and true the wheels. I’ve done tow rides since getting the bike back and noticed that the rear [caliper] brakes no longer seemed to be braking evenly. Squeezing the brake relatively lightly resulted in squealing that had not previously occurred. This happened on the first ride. The second ride I could feel the brake unevenly appling pressure to both sides of the wheel. This was not the case before the tune-up.
I got out a feeler gauge and found that the rear wheel was about 0.5mm out of true. I read that when truing, one should shoot for between 0.1 and 0.2mm. My backup bike is currently being tuned up and I was going to take this bike back so they could look at this wheel again.
Does this seem like I’m being picky or not?
I spun the wheel looking at the gap on one side of the brakes. I saw that there was one high spot and a secondary high spot about 90° away. I rotated the wheel to create the minimum spacing between the brake pad and the wheel rim and then pushed the brake over to just close the gap. I then rotated the wheel to see where the maximum gap was and stuck a feeler gauge in the gap. The .46mm gauge just fit in the gap at the location with the maximum spacing. the gap does change as you spin the wheel.
Then it sounds like this is worth showing the shop to see if they will address it.
I will do so and post feedback.
Half a mm is nothing to be concerned about…but if they trued it they did an awfully lazy job of it. Or a couple spokes unwound a tad or something.
So I took the bike back today and one of the mechanics that has been there a long time took a look. He agreed the truing was not as good as it should be. He trued the rear wheel that had ~0.5mm wobble and also redid the front wheel that was not as bad but had room for improvement. He also adjusted the position of the front calipers that I had noticed were set a bit too far out on the diameter of the rim but had not mentioned. To top things off, he also gave me $20 in-store credit for having to bring the bike back for adjustment.
Sounds like great service! Hooray for a solid LBS