Might be a good idea to use a velosolo ISO cog on a mtb as youd be able to use standard mtb wheels (youll get better choice & value).
http://www.velosolo.co.uk/faq.html
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Might be a good idea to use a velosolo ISO cog on a mtb as youd be able to use standard mtb wheels (youll get better choice & value).
http://www.velosolo.co.uk/faq.html