I cracked my 2008 carbon rush and cannondale is replacing it with a 2012 carbon scalpel. I'll need to switch out the rp23 and get a bb30 crank and bb but I'm not sure which crank to look for. I liked the rp23 so I thought about looking into one to fit the scalpel. Does anyone know what length I need? Also, should I keep the fox rlc in the front or go with a lefty. The whole thing is going to be a process (I didn't plan on dropping cash into a new project) so I figure I might as well build it right and take my time. I will most likely get a new wheel set and drive train in the future but hopefully I can put some miles on the frame first. Unless I get a lefty.