Zero SR/S 2021 vs. Zero SR/S 2025

Technical Specifications Zero SR/S 2021 compared to Zero SR/S 2025

Zero SR/S 2021

Zero SR/S 2025

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Differences

Zero SR/S 2021

Zero SR/S 2025

Engine and Drive Train

Engine type	Engine type	Electric	Engine type	Electric
Engine power	Engine power	110 HP	Engine power	47 HP
Rpm at Max. Power	Rpm at Max. Power	5,000 rpm	Rpm at Max. Power	5,000 rpm
Torque	Torque	190 Nm	Torque	190 Nm
Transmission	Transmission	Belt	Transmission	Belt

Suspension Front

Front suspension	Front suspension	Upside-Down telescopic fork	Front suspension	Upside-Down telescopic fork
Technology	Technology	Big Piston	Technology	Big Piston
Brand	Brand	Showa	Brand	Showa
Diameter	Diameter	43 mm	Diameter	43 mm
Travel	Travel	120 mm	Travel	120 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	140 mm	Travel	140 mm
Adjustment	Adjustment	Compression, Preload, Rebound	Adjustment	Compression, Preload, Rebound

Chassis

Frame type	Frame type	Tubular	Frame type	Tubular
Rake	Rake	65.5 degree	Rake	24.5 degree
Trail	Trail	94 mm	Trail	94 mm

Brakes Front

Type	Type	Double disk	Type	Double disk
Diameter	Diameter	320 mm	Diameter	320 mm
Piston	Piston	Four pistons	Piston	Four pistons
Actuation	Actuation	Hydraulic	Actuation	Hydraulic

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, Riding modes, Ride by Wire, Traction control	Advanced Rider Assistance Systems	ABS, Anti-slipping control, Riding modes, Cornering ABS, Engine drag torque control, Cruise control, Traction control

Dimensions and Weights

Front tyre width	Front tyre width	120 mm	Front tyre width	120 mm
Front tyre height	Front tyre height	70 %	Front tyre height	70 %
Front tyre diameter	Front tyre diameter	17 inch	Front tyre diameter	17 inch
Rear tyre width	Rear tyre width	180 mm	Rear tyre width	180 mm
Rear tyre height	Rear tyre height	55 %	Rear tyre height	55 %
Rear tyre diameter	Rear tyre diameter	17 inch	Rear tyre diameter	17 inch
Wheelbase	Wheelbase	1,450 mm	Wheelbase	1,450 mm
Seat Height	Seat Height	787 mm	Seat Height	787 mm
Kerb Weight (with ABS)	Kerb Weight (with ABS)	229 kg	Kerb Weight (with ABS)	235 kg
Top Speed	Top Speed	200 km/h	Top Speed	200 km/h
License compliancy	License compliancy	A	License compliancy	A
Range	Range	259 km	Range	275 km