WH-R550

I took a WH-R550 in from a customer.
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It's not just the wheel inspection—
the customer dropped off the whole bike for cable replacement and other work,
and asked me to look over a few other things while I'm at it.

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The front hub had play in it.
You can't really see the play in the photo,
but I shot this anyway so I wouldn't forget the wheel model number
when I write up the post later.

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The front wheel was only slightly off-center.
The rear wheel, though—both sides were wobbling badly.
I didn't need to remove the sprocket that was on there,
but working on the hub-side nipples is so much easier if I do, so I took it off temporarily.
The rim was wobbling so much I suspected it might be bent,
but working through it carefully, I got it surprisingly true.
After I finished, it was less wobbly than a brand-new hanging wheel.

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The customer didn't mention this,
but the rim tape width wasn't correct, so I replaced it.
There was a 16mm-wide Schwalbe tape on there,
but I swapped it for 18mm-wide Vittoria tape.

You can see in the photo above how the rim tape had shifted to one side.

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↑This part was completely out of spec.
There was no flat, but if left as-is,
it would definitely cause a puncture down the road.

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On the front wheel's rim tape, there's a second valve hole
deliberately drilled right next to the original one.
I have no idea why that would be done.

It's not like the rim tape was so tight they couldn't shift it—
that doesn't seem to be the reason.

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It looks like they placed a #2 Phillips screwdriver over the valve hole
and drove it through with hammer blows.






















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