Just how wide of tires do you want to use? RR's do not have a ton clearance with a 700x35 tire, but going to a 650b platform is not really going to make a huge difference other than making your braking setup a nightmare. A RR is a poor candidate for a monstercross setup soley cuz of the poor tire clearance. That being said I think it is the ultimate low cost gravel grinder bike.
A forum community dedicated to Mountain Bike owners and enthusiasts. Come join the discussion about bike parts, components, deals, performance, modifications, classifieds, trails, troubleshooting, maintenance, and more!