Quote:
Originally Posted by Knufire
I would imagine Colson wheels have a significantly lower CoF on a tote or can than a softer polyurethane compound.
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Agreed. The polyurethane has a non-sticky tackiness that grips things very well which other treads don't seem to. The 2010 balls, 2013 disks, 2015 bins, etc...
All said and done a mcmaster based polyurethane custom wheel is about 2-3 times the cots of a banebots wheel, but will last far far longer and performs great deal better. The relatively thick tread has some give/compression which helps as well.
Colsons are slightly cheaper, would last presumably as long, but not perform nearly as well (they're really a different kind of tread with different design constraints).