My Araya GP-710 rims have a sticker that says 'safety dot' with arrows that point to little dimples in the rim -what are they for ? Dimple not visible in pic, but are on the rim

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1 Answer 1


As long as you can see the dimple, the rim is still thick enough.

When you brake, the rim gets worn. Eventually it is worn so thin that it can break. The dimples help you identify the wear so that you can replace the rim before it breaks.

  • 3
    Some have a groove instead, but the idea is the same
    – Useless
    Sep 4, 2012 at 11:42
  • Thanks, that thought came to mind, but I wanted to check, I think its unlikely that's ever going to be an issue for me :-)
    – Dagon
    Sep 4, 2012 at 19:41
  • 3
    @Dagon You don't brake?
    – SQB
    Mar 6, 2014 at 12:15

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