Triumph Speedmaster 2017 vs. Triumph Bonneville Bobber 2021

Technical Specifications Triumph Speedmaster 2017 compared to Triumph Bonneville Bobber 2021

Triumph Speedmaster 2017

Triumph Bonneville Bobber 2021

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Differences

Triumph Speedmaster 2017

Triumph Bonneville Bobber 2021

Engine and Drive Train

Bore	Bore	90 mm	Bore	97.6 mm
Stroke	Stroke	68 mm	Stroke	80 mm
Engine power	Engine power	61 HP	Engine power	78 HP
Rpm at Max. Power	Rpm at Max. Power	6,800 rpm	Rpm at Max. Power	6,100 rpm
Torque	Torque	72 Nm	Torque	106 Nm
Rpm at Torque	Rpm at Torque	3,300 rpm	Rpm at Torque	4,000 rpm
Compression Ratio	Compression Ratio	9.2	Compression Ratio	10
Clutch Type	Clutch Type	Multiplate in oil-bath	Clutch Type	Multiplate in oil-bath
Transmission	Transmission	Chain	Transmission	Chain
Number of gears	Number of gears	5	Number of gears	6
Cylinders	Cylinders	2	Cylinders	2
Valves	Valves	DOHC	Valves	OHC
Cooling	Cooling	Air	Cooling	liquid
Displacement	Displacement	865 ccm	Displacement	1,200 ccm

Suspension Front

Brand	Brand	Kayaba	Brand	Showa

Suspension Rear

Brand	Brand	Kayaba	Brand	Kayaba

Chassis

Frame	Frame	Steel	Frame	Steel

Brakes Front

Piston	Piston	Double piston	Piston	Double piston
Shock mount	Shock mount	Floating caliper	Shock mount	Floating caliper

Brakes Rear

Type	Type	Disc	Type	Disc
Piston	Piston	Double piston	Piston	Double piston
Shock mount	Shock mount	Floating caliper	Shock mount	Floating caliper
Brand	Brand	Nissin	Brand	Nissin

Dimensions and Weights

Front tyre width	Front tyre width	100 mm	Front tyre width	130 mm
Front tyre height	Front tyre height	90 %	Front tyre height	90 %
Front tyre diameter	Front tyre diameter	19 inch	Front tyre diameter	16 inch
Rear tyre width	Rear tyre width	170 mm	Rear tyre width	150 mm
Rear tyre height	Rear tyre height	80 %	Rear tyre height	90 %
Rear tyre diameter	Rear tyre diameter	15 inch	Rear tyre diameter	16 inch
Length	Length	2,367 mm	Length	2,220 mm
Width	Width	825 mm	Width	800 mm
Height	Height	1,133 mm	Height	1,024 mm
Wheelbase	Wheelbase	1,605 mm	Wheelbase	1,500 mm
Seat Height	Seat Height	690 mm	Seat Height	690 mm
Fuel Tank Capacity	Fuel Tank Capacity	19.3 l	Fuel Tank Capacity	12 l
License compliancy	License compliancy	A	License compliancy	A