Originally with girder forks, the sprung saddle was the only rear suspension as the Speed Twin had a rigid frame - also from the single cylinder production line.

A simple four stroke 75 cc bike with girder forks and a fully enclosed drive chain.

The basic design with front girder forks was retained.

While it may have an exposed spring near the triple clamp, a springer fork is distinguishable from a girder fork by its two parallel sets of legs.

A single-sided girder "fork" was used by the German firm Imme between 1949 and 1951.

Pneumatic forks were not to be a Vincent innovation, with both Phils believing girder forks were superior at the time.

Motorcycles of the same period, through to the 1950s, that used girder forks also used friction disk shock absorbers.

The AJS used a rigid frame with girder forks.

The front suspension used girder forks suspended by large rubber bands.

Improvements included a better brake (singular), lower seating position, and improved girder forks.