Triumph Bonneville 2015 vs. Triumph Street Twin 2021

Technical Specifications Triumph Bonneville 2015 compared to Triumph Street Twin 2021

Triumph Bonneville 2015

Triumph Street Twin 2021

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Differences

Triumph Bonneville 2015

Triumph Street Twin 2021

Engine and Drive Train

Engine type	Engine type	In line crankpin offset	Engine type	In line crankpin offset
Bore	Bore	90 mm	Bore	84.6 mm
Stroke	Stroke	68 mm	Stroke	80 mm
Engine power	Engine power	68 HP	Engine power	65 HP
Rpm at Max. Power	Rpm at Max. Power	7,500 rpm	Rpm at Max. Power	7,500 rpm
Torque	Torque	68 Nm	Torque	80 Nm
Rpm at Torque	Rpm at Torque	5,800 rpm	Rpm at Torque	3,800 rpm
Compression Ratio	Compression Ratio	9.2	Compression Ratio	11
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	5
Valves	Valves	DOHC	Valves	OHC
Cooling	Cooling	Air	Cooling	liquid
Displacement	Displacement	865 ccm	Displacement	900 ccm

Suspension Front

Front suspension	Front suspension	Telescopic fork	Front suspension	Telescopic fork
Brand	Brand	Kayaba	Brand	Kayaba

Suspension Rear

Shock absorber	Shock absorber	Dual Shock	Shock absorber	Dual Shock
Brand	Brand	Kayaba	Brand	Kayaba

Chassis

Frame	Frame	Steel	Frame	Steel

Brakes Front

Piston	Piston	Double piston	Piston	Four pistons
Shock mount	Shock mount	Floating caliper	Shock mount	Fixed caliper
Brand	Brand	Nissin	Brand	Brembo

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	110 mm	Front tyre width	100 mm
Front tyre height	Front tyre height	70 %	Front tyre height	90 %
Front tyre diameter	Front tyre diameter	17 inch	Front tyre diameter	18 inch
Rear tyre width	Rear tyre width	130 mm	Rear tyre width	150 mm
Rear tyre height	Rear tyre height	80 %	Rear tyre height	70 %
Rear tyre diameter	Rear tyre diameter	17 inch	Rear tyre diameter	17 inch
Length	Length	2,115 mm	Length	2,095 mm
Width	Width	790 mm	Width	780 mm
Height	Height	1,130 mm	Height	1,110 mm
Wheelbase	Wheelbase	1,490 mm	Wheelbase	1,450 mm
Seat Height	Seat Height	740 mm	Seat Height	765 mm
Fuel Tank Capacity	Fuel Tank Capacity	16 l	Fuel Tank Capacity	12 l
License compliancy	License compliancy	A	License compliancy	A