Last week MtnBikeRiders.comĀ took possession of the spankinā brand new KHS SixFifty 606.Ā We have been featuring this bike prior to Interbike 2009.Ā For those that are not familiar with this bike, it sports the 650B tire size, a *new size that places itself in between the established 26ā and the revolutionary 29er. (*new in…