Highlights
- First-year of the iconic ‘Tangerine Dream’ Triumph Bonneville, dating from 1958/59
- Won best in show out of 400 Triumphs at Sammy Miller's in 2025
- Good restoration undertaken by previous owners
The Appeal
The Triumph T120R Bonneville needs little introduction. It is, put simply, one of the most celebrated British motorcycles ever made. As a 1958 example, this machine dates from the very first year of Bonneville production, Number 420, making it especially desirable among collectors and marque enthusiasts.
With a name like 'Bonneville', it's no secret that Triumph was trying to crack the US market, and it's fair to say they succeeded, with over sixty per cent of its production destined for overseas. That includes this bike, which has now found its way back to the UK. Still wearing the iconic "Tangerine Dream" colour scheme, it cuts a desirable and memorable figure.
This motorcycle with matching numbers (engine T120 022707, frame 022707) has been restored to an exceptional standard by its previous owners and benefits from an engine rebuild throughout. The quality of the work speaks for itself: in 2025, it took best in show at Sammy Miller's, competing against some 400 other Triumphs. The vendor states the motorcycle is mechanically in very good running order, ready to be enjoyed. Reimported from the United States, this first-year Bonneville represents a fine opportunity to acquire a show-proven example of an iconic machine
With a name like 'Bonneville', it's no secret that Triumph was trying to crack the US market, and it's fair to say they succeeded, with over sixty per cent of its production destined for overseas. That includes this bike, which has now found its way back to the UK. Still wearing the iconic "Tangerine Dream" colour scheme, it cuts a desirable and memorable figure.
This motorcycle with matching numbers (engine T120 022707, frame 022707) has been restored to an exceptional standard by its previous owners and benefits from an engine rebuild throughout. The quality of the work speaks for itself: in 2025, it took best in show at Sammy Miller's, competing against some 400 other Triumphs. The vendor states the motorcycle is mechanically in very good running order, ready to be enjoyed. Reimported from the United States, this first-year Bonneville represents a fine opportunity to acquire a show-proven example of an iconic machine
Key Information
- Mileage: 1,317 miles (indicated, unwarranted)
- Country of registration: United Kingdom (imported from the United States of America)
- Technical inspection status: MOT exempt
- Road Tax status: exempt, historic vehicle
- Technical specs: 650cc parallel twin-cylinder, four-speed manual gearbox
- Paperwork: V5C, various invoices and copy of article covering Sammy Miller event in 2025
The Detail
- Comprehensively restored to an exemplary standard
- 'Tangerine Dream' colour scheme still intact to period-correct specifications
- Highly polished brightwork presents impeccably
- Engine restoration carried out, which the vendor states was done to a very high standard, plus the list below
- Electrics upgraded to 12 volt
- New Morgo oil pump
- New tyres, rims and spokes
- New exhaust (Harris) downpipes
- New advance and retard
- New centre stand
- New telescopic front forks have been completely rebuilt
- Reportedly running and riding exceedingly well
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