Cannonball 3.0. 1990 Cannondale 3.0 frame, soda blasted, powder-coated, and re-stickered. First build with a BBSHD ... and it scoots! 34mph before I rolled off the throttle. : r/ebikes
Vintage Cannondale Frame Set 3.0 Competition Series 18 20 USA MTB Aluminum Fork | eBay
1990 Cannondale 3.0 - Pedal Room
Cannondale vintage 1989 SM400 3.0 series alum. Mountain bike 26" 18speed. Very good condition. garage kept, used very little, rare find. $ 200.00 for Sale in Trinity, FL - OfferUp
Cannondale 3.0 mountain bike frame for 26 inch wheels classic vintage stuff | eBay