
Classic motorcycle head-to-head
Triumph Bonneville T120 vs BSA A10 Super Rocket
Triumph Bonneville T120 scores 82/100 overall against BSA A10 Super Rocket on 82/100. On the road: 65–68. As classics: 98–95. Overall result: A draw.


Photo: Mfhutchins · CC BY-SA 3.0
BSA A10 Super Rocket
The numbers
Category-by-category result
| Category | Triumph Bonneville | BSA Super Rocket | Advantage |
|---|---|---|---|
| road | |||
| PerformanceDirect comparison of power, acceleration and usable performance across the pre-1990 classic field. | 6 | 7 | BSA Super Rocket |
| HandlingSteering, stability, weight and real-road manners. | 8 | 8 | Level |
| BrakingDirect comparison of real stopping ability without an age allowance. | 5 | 6 | BSA Super Rocket |
| ReliabilityEngine, electrics and general dependability when properly maintained. | 6 | 6 | Level |
| Ease of ownershipMaintenance, parts supply and access to specialist knowledge. | 8 | 7 | Triumph Bonneville |
| ComfortRiding position, vibration and suitability for longer journeys. | 6 | 7 | BSA Super Rocket |
| classic | |||
| StylingDesign quality, visual presence and period appeal. | 10 | 10 | Level |
| Historical importanceInfluence on motorcycling and importance within its era. | 10 | 9 | Triumph Bonneville |
| Collector appealLong-term desirability among classic motorcycle enthusiasts. | 9 | 9 | Level |
| CharacterSound, feel, personality and memorable riding experience. | 10 | 10 | Level |
Choose the Triumph Bonneville if…
you value lightness, accessible mechanical simplicity and the sound and feel of a classic British twin.
Choose the BSA Super Rocket if…
you want one of the fastest and most desirable sporting versions of BSA's pre-unit A10 twin.
Background
History
Triumph Bonneville
The Triumph Bonneville T120 was produced from 1959–1973 and used a 649cc air-cooled parallel twin. Within this comparison library it stands out particularly for styling, historic importance, character. It suits riders who value the qualities described in its original profile rather than choosing by specification alone.
BSA Super Rocket
The BSA A10 Super Rocket was produced from 1957–1963 and used a 646cc air-cooled parallel twin. Within this comparison library it stands out particularly for styling, character, historic importance. It suits riders who value the qualities described in its original profile rather than choosing by specification alone.
Interesting details
Did you know?
Triumph Bonneville
- Its production span in this library runs from 1959 to 1973.
- The recorded engine description is: 649cc air-cooled parallel twin.
- Its strongest comparison scores are styling, historic importance, character.
BSA Super Rocket
- Its production span in this library runs from 1957 to 1963.
- The recorded engine description is: 646cc air-cooled parallel twin.
- Its strongest comparison scores are styling, character, historic importance.
Present-day appeal
Collector notes
Triumph Bonneville
Collector interest is strongest where condition, originality and correct period details support the identity of the Triumph Bonneville T120. Its library score for styling is 10/10. Values and desirability can vary substantially between years, specifications and restoration quality, so individual examples should be assessed on their own evidence.
BSA Super Rocket
Collector interest is strongest where condition, originality and correct period details support the identity of the BSA A10 Super Rocket. Its library score for styling is 10/10. Values and desirability can vary substantially between years, specifications and restoration quality, so individual examples should be assessed on their own evidence.
Before you buy
Buying checks
Triumph Bonneville
- Confirm the frame and engine identity match the advertised model and year.
- Check cold starting, smoke, oil leaks and unusual mechanical noise.
- Check vibration-related fasteners, primary drive condition and signs of persistent oil leakage.
- Inspect the frame, wheels, brakes and suspension for wear, damage or poor repairs.
- Verify that important model-specific parts have not been replaced with incorrect later components.
- Review the paperwork, ownership history and any restoration invoices before purchase.
BSA Super Rocket
- Confirm the frame and engine identity match the advertised model and year.
- Check cold starting, smoke, oil leaks and unusual mechanical noise.
- Check vibration-related fasteners, primary drive condition and signs of persistent oil leakage.
- Inspect the frame, wheels, brakes and suspension for wear, damage or poor repairs.
- Verify that important model-specific parts have not been replaced with incorrect later components.
- Review the paperwork, ownership history and any restoration invoices before purchase.
Period opposition
Historic rivals
Rivals to the Triumph Bonneville
Rivals to the BSA Super Rocket
Final result
The verdict
BSA A10 Super Rocket wins the direct on-the-road comparison. Triumph Bonneville T120 wins the classic-motorcycle comparison. Their evenly weighted overall scores are tied, so the better choice depends on whether the rider values road ability or classic appeal most.