Hit a pretty bad pothole at the weekend which caused the rim of my front wheel to shatter into 4 peices. The hub is still intact and appears fine. Is it worth buying a new rim and spokes and rebuilding? The wheel is a Mavic Ksyrium Pro SL.

  • Sounds dramatic -- I hope you're OK! – David Richerby Apr 9 '18 at 20:25
  • It was dramatic 🙂 I'm fine though – jaywayco Apr 9 '18 at 20:32
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    If you do it yourself (not a simple task) you MIGHT come out ahead. – Daniel R Hicks Apr 9 '18 at 21:35
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    Does insurance cover your accident at all? If so, they may claim ownership of the parts. – Criggie Apr 10 '18 at 0:32
  • No. Insurance doesn't cover accidental damage. I'm currently upgrading so that it does in future. Lesson learned. – jaywayco Apr 10 '18 at 6:07

You would need to cost it out, as it pretty much comes down to the dollars cents.

With a wheel at that price point its worth considering a rebuild, presuming you have a good wheel builder at your LBS. If you buy a new wheel, ensure the cost includes having the new wheel tuned up by the LBS. (If you not buying through a shop, add the cost having a shop tune it when it arrives).

Unless the hub has low miles, consider a full service with new bearings, or at least put the cost of this into the rebuild of the wheel.

In terms of if its worth it, you may decide reusing the hub rather than adding it to a landfill adds to the worth of a rebuild over a new wheel.

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    The hub could also be reused as part of a workstand, or a trailer hitch. The hidden cost of a rebuild is in the spokes - its likely the old ones have been stressed and bent, and a full set of spokes adds up even when they're only a few dollars each. – Criggie Apr 10 '18 at 0:52
  • Thanks. A set of spokes will cost me £25 and a rim £40. £65 Vs £300 for a new wheel. – jaywayco Apr 10 '18 at 6:09
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    If you are building it up yourself it makes a lot of sense to rebuild. I have no idea what a good wheel builder charges, I imagine its not cheap. – mattnz Apr 10 '18 at 7:38

The cost of Mavic spare parts makes it uneconimical to rebuild it to factory spec, but if the hub is ok, then the price of spokes and a generic rim is probably worth paying for, as you will gain valuable experience in wheel building, which can prove invaluable if a wheel goes out of true on a ride. You will also have to consider spoke type (straight pull or j bend), spoke length, and the number of spokes the wheel can accommodate. Spoke nipples also come in a variety of sizes and materials. Brass is worth the durability, but carries a weight penalty. If you have the old parts still, then just measure them and order them in those sizes. It's worth watching some Youtube tutorials before you get started, and don't be put off by things like spoke tension and dish if you are just getting started.

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