Cycle Underground produces their chainrings one at a time in a single setup which means that once the piece of material is placed onto there jig it does not come off until it has been completely machined. So both the bolt holes and the teeth are produced together in the one setting so no high spots….read that again…..no high spots.
They come in 9 different designs, 30 tooth to 56tooth, anodized and polished, in every BCD you can imagine. And if they don’t a jig for the BCD you need, they’ll make one for you.
And the they run $30.00-$45.00 (aus).
Go to their site for full details.
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