just need alittle advise here... i took my busa in for its first 600 mile service today at the local dealer, I asked about lowering the rear 2 inches and what to know if it helped with more of an upright ride postion, I have been told many different stories, I am pretty comfy on my bike, Just get a little hand soreness after about 2 hours riding, any thoughts on weither or not it is worth $130 to have this done