I have a Bert, Gen 2, Ball Spline transmission, only 3 races on it, and sent back to Bert for upgrades. Just got it back from Bert (I have the dated invoice) with the latest upgrades and rebuilt. Ready to race. Ultralite, less rotating mass, best of eveerything. $2400.00 new plus tax and shipping…Selling this one for $1600.00. Call Mike at 813-299-1203. Located in Valrico Fl.