Old 09-20-18, 08:58 AM
  #4  
Elvo
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15mm will let you run 29/27.5 MTB wheelsets which are rather plentiful and often very cheap. I've bought a few sub 1700 wheelsets for $200 while the same thing in 12mm road would be at least $350+. Worst case is you buy a $10 15mm to 12mm adapter

https://www.ebay.com/p/15mm-to-12mm-...no/16003185598
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