Old 06-23-13, 12:51 AM
  #8  
Burton
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I'm looking at a knobby tire, offroad fender and disc brake. Shimano Tourney is a groupset found on city bikes and mountain STYLED city bikes. Its NOT intended for off road use. Neither is Olivio nor Acera. Deore is the minimum you should be looking at.

Which won't necessarily mean the rest of the bike is any more suited to actual heavy duty off-road use.
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