Extensive online history at the Classic 50 Racing Club website
49c.c. Two-Cycle Power Unit.
5-Speed Gearbox.
Magneto Ignition.
Fully-Silenced Exhaust System.
Duplex Frame.
Telescopic Forks.
S.A. Rear Suspension.
Sports Tank and Raised Back Racing Saddle.
Stainless, Steel Mudguards.
Lightweight Sports Fairing.
Ball-Ended Control Levers.
5-in. Headlamp, Rear lamp, Electric Horn.
Centre-Stand. Chrome-Plated Tyre Inflator.
Tool-box and Toolkit.
Chrome Steel Rims and Full-width Alloy Hubs.
Tyres: 2.25 17.
Speed: 65 mph.
Weight: 120 lbs.
(Racing Conversion Kit available)
http://www.classic50racingclub.co.uk/the-heldun-marque.html