Triumph Street Twin 2021 vs. Triumph Bonneville Speedmaster 2019

Technical Specifications Triumph Street Twin 2021 compared to Triumph Bonneville Speedmaster 2019

Triumph Street Twin 2021

Triumph Bonneville Speedmaster 2019

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Differences

Triumph Street Twin 2021

Triumph Bonneville Speedmaster 2019

Engine and Drive Train

Engine type	Engine type	In line crankpin offset	Engine type	In line crankpin offset
Stroke	Stroke	80 mm	Stroke	80 mm
Engine power	Engine power	65 HP	Engine power	77 HP
Rpm at Max. Power	Rpm at Max. Power	7,500 rpm	Rpm at Max. Power	6,100 rpm
Torque	Torque	80 Nm	Torque	106 Nm
Rpm at Torque	Rpm at Torque	3,800 rpm	Rpm at Torque	4,000 rpm
Compression Ratio	Compression Ratio	11	Compression Ratio	10
Fuel system	Fuel system	Injection	Fuel system	Injection
Starter	Starter	Electric	Starter	Electric
Clutch Type	Clutch Type	Multiplate in oil-bath	Clutch Type	Multiplate in oil-bath
Transmission	Transmission	Chain	Transmission	Chain
Transmission Type	Transmission Type	Gearshift	Transmission Type	Gearshift
Number of gears	Number of gears	5	Number of gears	6
Cylinders	Cylinders	2	Cylinders	2
Strokes	Strokes	4-Stroke	Strokes	4-Stroke
Valves per cylinder	Valves per cylinder	4	Valves per cylinder	4
Valves	Valves	OHC	Valves	OHC
Cooling	Cooling	liquid	Cooling	liquid
Displacement	Displacement	900 ccm	Displacement	1,200 ccm

Suspension Front

Front suspension	Front suspension	Telescopic fork	Front suspension	Telescopic fork
Brand	Brand	Kayaba	Brand	Kayaba
Diameter	Diameter	41 mm	Diameter	41 mm
Travel	Travel	120 mm	Travel	90 mm

Suspension Rear

Suspension	Suspension	Swing arm	Suspension	Swing arm
Shock absorber	Shock absorber	Dual Shock	Shock absorber	Dual Shock
Brand	Brand	Kayaba	Brand	Kayaba
Travel	Travel	120 mm	Travel	73 mm
Adjustment	Adjustment	Preload	Adjustment	Preload
Material	Material	Steel	Material	Steel

Chassis

Frame	Frame	Steel	Frame	Steel
Frame type	Frame type	Double cradle	Frame type	Central tube

Brakes Front

Type	Type	Double disk	Type	Double disk
Diameter	Diameter	310 mm	Diameter	310 mm
Piston	Piston	Four pistons	Piston	Double piston
Shock mount	Shock mount	Fixed caliper	Shock mount	Floating caliper
Brand	Brand	Brembo	Brand	Nissin

Brakes Rear

Type	Type	Disc	Type	Disc
Diameter	Diameter	255 mm	Diameter	255 mm
Piston	Piston	Double piston	Piston	Double piston
Shock mount	Shock mount	Floating caliper	Shock mount	Floating caliper
Brand	Brand	Nissin	Brand	Nissin

Assistance Systems

Advanced Rider Assistance Systems	Advanced Rider Assistance Systems	ABS	Advanced Rider Assistance Systems	ABS

Dimensions and Weights

Front tyre diameter	Front tyre diameter	18 inch	Front tyre diameter	16 inch
Rear tyre diameter	Rear tyre diameter	17 inch	Rear tyre diameter	16 inch
Length	Length	2,095 mm	Length	2,170 mm
Width	Width	780 mm	Width	785 mm
Height	Height	1,110 mm	Height	1,125 mm
Wheelbase	Wheelbase	1,450 mm	Wheelbase	1,450 mm
Seat Height	Seat Height	765 mm	Seat Height	785 mm
Fuel Tank Capacity	Fuel Tank Capacity	12 l	Fuel Tank Capacity	15 l
License compliancy	License compliancy	A	License compliancy	A