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Replacing a used front rim
Hello all,
A couple of months ago, I noticed my rear rim was worn out, with some scratches I attributed to braking with sand or gravel on the pads. I therefore replaced the wheel, and noticed that at some points, the old ril was almost pierced! Now, I am noticing without surprise that it would be wise to replace my front rim as well. Although it has no obvious scratch like the read one had, its braking surface has developped a concavity I think it did not had at the beginning, so I suppose it is the result of successive braking. Does it sound normal for rims to wear out after about 30 or 40 thousand kilometers? Now, since I am replacing it anyway, it will be a bit trickier than just changing the wheel, because I have a hub dynamo. I will therefore have to buy a new naked rim, (ligature the wheel spokes,) despoke the old wheel, and respoke it with the new rim. So, I have to choose a new rim, taking into account the following parameters: * rim dimensions and type: 622×19C; * number of spoke holes: 36. I there any other parameter I should take into account? Can I assume that all 622 mm rims have spoke holes at the same distance from center? Or in other words, that with keeping my hub and spokes, they will correctly fit the new rim as long as it has the same diameter of 622 mm? Cheers, -- Tanguy |
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