Across the 2018, 2019 and 2020 model years, the Triumph Bonneville Bobber Black motorcycle has supplied dry weights ranging from 502.7 lb (228 kg) to 523.6 lb (237.5 kg).
Triumph Bonneville Bobber Black weight overview
This is firmly on the heavier side. The real penalty is not necessarily normal riding; it is low-speed work, awkward parking and moving the bike around manually. The comparison uses dry weight because a usable wet/running figure was not supplied, so the actual ready-to-ride motorcycle will be heavier.
Heavy Motorcycle
How heavy is the Triumph Bonneville Bobber Black?
dry weight
Using a model-level dry weight comparison, the Triumph Bonneville Bobber Black is heavier than about 96.7% of 15 Triumph classic motorcycles with compatible weight data.
Dry weight range
Bike + rider total weight
These totals use the model’s representative dry weight. They exclude riding gear, luggage and a passenger.
Triumph Bonneville Bobber Black weight & related specs
| Model years covered | 2018, 2019, 2020 |
|---|---|
| Dry weight | 502.7 lb (228 kg) to 523.6 lb (237.5 kg) |
| Engine displacement | 1,200 cc |
| Power | 77 hp |
| Torque | 78.2 lb-ft (106 Nm) |
| Fuel capacity | 2.38 US gal (9 L) to 2.8 US gal (10.6 L) |
| Full-tank fuel weight (estimated) | 14.8 lb (6.7 kg) to 17.4 lb (7.9 kg) |
Weight changes by model year
The 2018 model is used as the baseline where data is available. Only later supplied values that differ are shown below. A year pill does not mean every individual weight field was supplied for that year.
Useful weight calculations
| Horsepower per 100 lb | 14.71 hp / 100 lb |
|---|---|
| Pounds per horsepower | 6.8 lb / hp |
| Torque per 100 lb | 14.93 lb-ft / 100 lb to 15.55 lb-ft / 100 lb |
| Displacement per pound | 2.29 cc / lb to 2.39 cc / lb |
| Weight per 100 cc | 41.9 lb / 100 cc to 43.6 lb / 100 cc |
| Fuel weight as % of bike weight | 2.8% to 3.5% |
| Weight with full tank | 520.1 lb (235.9 kg) to 538.4 lb (244.2 kg) |
What the weight numbers tell you
Triumph Bonneville Bobber Black weight FAQ
How heavy is the Triumph Bonneville Bobber Black?
Listed dry weight is 502.7 lb (228 kg) to 523.6 lb (237.5 kg). Because no usable wet/running figure was supplied, treat that as a lower starting point rather than the exact on-road weight.
Is the Triumph Bonneville Bobber Black heavy compared with other Triumph classic motorcycles?
Relatively speaking, it is on the heavier side. The model sits near the 97th weight percentile in its Triumph category, so it is heavier than most of the compatible comparison set.
Does the Triumph Bonneville Bobber Black weight change by model year?
Not every covered year uses the same figure. The page groups identical values together and lists the later model years where the supplied weight specification changes.
How much does the Triumph Bonneville Bobber Black fuel weigh?
The listed tank capacity is 2.38 US gal (9 L) to 2.8 US gal (10.6 L). Using approximately 0.745 kg/L gasoline, a full tank is roughly 14.8 lb (6.7 kg) to 17.4 lb (7.9 kg). That is an estimate for fuel mass, not an official Triumph curb-weight calculation.
How heavy is the Triumph Bonneville Bobber Black with an average-size rider?
A 180 lb rider brings the simple bike-plus-rider total to roughly 703.6 lb (319.1 kg) using the representative dry figure. Gear and luggage would add more.
How much horsepower does the Triumph Bonneville Bobber Black have per 100 lb?
Where compatible power and weight figures are available, it works out to 14.71 hp per 100 lb. That places it around the 15th percentile within the compatible Triumph classic power-to-weight comparison.
Can I treat the Triumph Bonneville Bobber Black dry weight as curb weight?
No. The usable figure is dry weight, so it excludes at least some operating fluids. Dry weight plus the estimated full fuel load is about 520.1 lb (235.9 kg) to 538.4 lb (244.2 kg), and oil/coolant or definition differences may add more.
How much of the Triumph Bonneville Bobber Black total weight comes from fuel?
Based on the available weight basis, a full tank of gasoline represents about 2.8% to 3.5% of the motorcycle’s weight.
How does Triumph Bonneville Bobber Black torque compare with its weight?
The calculated torque-to-weight range is 14.93 lb-ft per 100 lb to 15.55 lb-ft per 100 lb. It is useful for comparing bikes with very different overall weights.
Motorcycle specifications can vary by model year, market, equipment and the exact dry/curb-weight definition. Calculated fuel-weight and ratio figures on this page are estimates derived from the supplied specifications. Confirm critical figures in the owner’s manual or on the official Triumph Motorcycles website.