bike wrench

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A place to ask bicycle repair questions, and for bike shop monkeys to share advanced non commercial wrenching resources (no YouTube self promotion). This is only for repair related topics.

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DIY true a wheel (lemmy.world)

submitted 4 months ago* (last edited 4 months ago) by [email protected] to c/[email protected]

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I had some wheel made but when they rotate they come in contact with the disc break pads (slightly).

The bikeshop that built them will take another month to look at this, as they are fully booked, and I dont want to pay 35+ on another bikeshop..

Is it doable to DIY this with a spoke key and using the fork as a stand?

(I think it would be a useful skill to learn as it will make me less dependent on bikeshops)

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[–] [email protected] 4 points 4 months ago* (last edited 4 months ago)

I am not an expert bike mechanic by any means. With that said, I can't quite visualize how re-truing the whole wheel will address a rotor rubbing issue.

The rotor mounts onto the hub at one of the most durable parts of the assembly, adjacent to the bearings. Generally speaking, the act of truing a wheel is to manipulate the rim so its axis of rotation matches the axis of the hub, where the spokes pull the rim into submission. This process shouldn't affect the rotor, since that would suggest the hub itself is not spinning true; that could indicate an outright defective hub.

Are you able to confirm that the disc rotors are true? If the shop built and delivered the wheel with the rotor attached, presumably they checked both rim and rotor for trueness. But if you installed the rotor yourself, you might need to true the rotor.

If the rotor is true and the whole wheel is true, then that just leaves the brake pads and calipers, which could be misaligned. Although I'm not sure how this would look.