Zero DS 2021 vs. Zero SR 2019

Technical Specifications Zero DS 2021 compared to Zero SR 2019

Zero DS 2021

Zero SR 2019

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Same only

Differences

Zero DS 2021

Zero SR 2019

Engine and Drive Train

Engine type	Engine type	Electric	Engine type	Electric
Engine power	Engine power	69 HP	Engine power	67 HP
Rpm at Max. Power	Rpm at Max. Power	3,850 rpm	Rpm at Max. Power	4,000 rpm
Torque	Torque	109 Nm	Torque	144 Nm
Transmission	Transmission	Belt	Transmission	Belt
Cooling	Cooling	Air	Cooling	Air

Suspension Front

Front suspension	Front suspension	Upside-Down telescopic fork	Front suspension	Upside-Down telescopic fork
Brand	Brand	Showa	Brand	Showa
Diameter	Diameter	41 mm	Diameter	41 mm
Travel	Travel	178 mm	Travel	159 mm
Adjustment	Adjustment	Compression, Preload, Rebound	Adjustment	Compression, Preload, Rebound

Suspension Rear

Suspension	Suspension	Swing arm	Suspension	Swing arm
Shock absorber	Shock absorber	Monoshock	Shock absorber	Monoshock
Brand	Brand	Showa	Brand	Showa
Travel	Travel	179 mm	Travel	161 mm
Adjustment	Adjustment	Compression, Preload, Rebound	Adjustment	Compression, Preload, Rebound

Chassis

Rake	Rake	63.5 degree	Rake	66 degree
Trail	Trail	117 mm	Trail	80 mm

Brakes Front

Type	Type	Single disk	Type	Single disk
Diameter	Diameter	320 mm	Diameter	320 mm
Piston	Piston	Double piston	Piston	Double piston
Shock mount	Shock mount	Floating caliper	Shock mount	Floating caliper

Brakes Rear

Type	Type	Disc	Type	Disc
Diameter	Diameter	240 mm	Diameter	240 mm
Piston	Piston	Single piston	Piston	Single piston

Assistance Systems

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

Dimensions and Weights

Front tyre width	Front tyre width	100 mm	Front tyre width	110 mm
Front tyre height	Front tyre height	90 %	Front tyre height	70 %
Front tyre diameter	Front tyre diameter	19 inch	Front tyre diameter	17 inch
Rear tyre width	Rear tyre width	130 mm	Rear tyre width	140 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
Wheelbase	Wheelbase	1,427 mm	Wheelbase	1,410 mm
Seat Height	Seat Height	843 mm	Seat Height	807 mm
Top Speed	Top Speed	163 km/h	Top Speed	164 km/h