7

After riding about 800m downhill, I got this:

enter image description here enter image description here enter image description here enter image description here

BTW, this is TriAce Wheelset for Dahon Mu Ex 2014. Do you think this is safe to ride? Can I repair this?

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  • 1
    In answer to your questions: IMHO no and no.
    – andy256
    Mar 4 '15 at 1:39
  • 1
    Was that 800m vertical or horizontal?
    – andy256
    Mar 4 '15 at 1:40
  • 1
    Wow. No and no. Mar 4 '15 at 2:44
  • 1
    So apparently carbon rims should only be used with disk brakes. Mar 4 '15 at 2:51
  • 2
    Uhm, carbon shatters it doesn't bend what are these made off? And does m stand for miles?
    – Recct
    Mar 4 '15 at 9:12
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To answer your questions

  • No, they are not safe to ride due to risk of the tube blowing out or the tire rolling off the rim.

  • No, I do not think they are repairable (at home). If they were repaired I would not trust them again.

I believe that this item is not fit for the purpose of a bicycle wheel.

It should be returned to the place of purchase on those grounds and a replacement or refund sought.

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  • 1
    Assuming the OP was riding on surfaces appropriate for the wheel, I completely agree it should be returned. And I'd want a refund, not a replacement. Mar 4 '15 at 2:44
  • 6
    @SungKim You say No Warrantee. But most countries have laws requiring merchandise to be fit for purpose, and such laws usually include reasonable use conditions. We are not lawyers, and this site is not for legal advice, but I think it would be worth checking out. For example, in Australia the state governments each have a Department of Consumer Affairs (or similar). Complaints to them often have severe consequences for the supplier of dodgy goods, at no cost to the consumer. Even threatening to lodge a complaint often brings an instant change of supplier attitude. Good luck.
    – andy256
    Mar 4 '15 at 6:16
  • 1
    @Garey See here: dropbox.com/s/s6d68x7qm2ns4wl/… This happened in the first half of the downhill.
    – Sung Kim
    Mar 5 '15 at 0:46
  • 1
    Smaller wheels have less swept area to dissipate heat. But, that notwithstanding, tell them you want a refund then go to a reputable shop and get an alloy wheel. Mar 5 '15 at 21:18
  • 1
    Apologies if I was wrong thinking - small wheels more heat build-up. It was basically thinking along the lines of for a given speed the smaller wheel must be rotating faster than a larger wheel - that's all.
    – OraNob
    Mar 5 '15 at 23:34

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