off road?

[Mountainman]

more wear from dirt -- friction -- for sure

Does the Knurled roller hold up well in the dusty condition?

yes - that's what I was thinking -- WILL be more wear from dirt...

ride that thing

 

[heathyoung]

Its good fun - 11 tooth and a rugged belt on a Gebe knockoff - no spoke problems (on DH wheels) and 30Kph down some of those really rough tracks. Makes you realise that brakes are pretty important