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What happen to my rear brakes? (after a tire change).

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What happen to my rear brakes? (after a tire change).

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Old 04-18-12, 09:19 PM
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What happen to my rear brakes? (after a tire change).

Today I changed my rear wheel just like the mechanic in this video.
https://www.youtube.com/watch?v=qm-SvNPFR4E

But now the brakes rub the rim.

What could have caused this?
I put the tire on exactly like the video... Is it possible that I warped the rim?

The tire seemed kind of tight when I was putting it on. It didn't slip on as easily as in that video. But I did slowly push the tire in. But the last 3-5 inches of exposed tire was really tight, so I had to push it harder to get the tire into the inside of the rim.

Last edited by UrbanPoet; 04-18-12 at 09:40 PM.
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Old 04-18-12, 11:22 PM
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Originally Posted by UrbanPoet
Today I changed my rear wheel just like the mechanic in this video.
https://www.youtube.com/watch?v=qm-SvNPFR4E

But now the brakes rub the rim.

What could have caused this?
You didn't mount the wheel square to the frame.

With horizontal drop-outs (as on most internally geared and single speed bikes) and no locating screws in the drop-outs it's easy to have one side a bit farther forwards than the other.

With vertical drop-outs it's possible but harder. Maybe one side of the axle didn't seat all the way.

Is it possible that I warped the rim?
No.
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Old 04-23-12, 03:39 PM
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Originally Posted by Drew Eckhardt
You didn't mount the wheel square to the frame.

With horizontal drop-outs (as on most internally geared and single speed bikes) and no locating screws in the drop-outs it's easy to have one side a bit farther forwards than the other.

With vertical drop-outs it's possible but harder. Maybe one side of the axle didn't seat all the way.



No.
Oy! Problem solved... I took it to the mechanic and it was a case of bent rim... He commented that the new tires probably had rly stiff side walls... And as i was mounting the tire it probably warped the rim...
I didnt even use any tools to mount it either! I just rolled it on with my hands. But that last 5 inches were so stiff that i did put force into rolling it on.

Next time im thinking of maybe giving the tires a warm (not hot) water bath to make it expand and a bit softer to ease the mounting.

Maybe i could even give the rim a cold water bath to make it shrink lol. But i dont know how well wheels would handle being submerged in water... Of course i'd dry them off thoroughly after with towels.
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