Cycle magazine called the CB750 "the most sophisticated production bike ever" upon its introduction.
Also races for production bikes were losing support as more people moved to the new Superbikes.
The first production bikes used the same size valves as the 500 had, restricting performance.
In 1949, the company introduced a complete production bike, the Pacemaker.
Taglioni had already produced a new frame, for the production bike, incorporating some of the Seeley features.
More significantly, it has the first quick-shift gearchange on a production bike.
With a growing reputation from their racing wins, Colnago plunged into the market for production bikes.
The company turned its focus in creating a production bike.
It was Norton's first all-new production bike in two decades.
With that success, Bill went on to design, fabricate and build two production bikes.