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Zero SRS Premium vs Bajaj KB 125
Complete specifications comparison to help you choose
Motorcycle Comparison
Zero SRS Premium
৳1,702,000
VS
Bajaj KB 125
৳0
Complete Specifications Comparison
Basic Information
Engine Type
Z-Force 75-10 enhanced thermal efficiency, passively air-cooled, interior permanent magnet AC motor
Single Cylinder, 2-Stroke, Air Cooled
Engine Type
Z-Force 75-10 enhanced thermal efficiency, passively air-cooled, interior permanent magnet AC motor
Single Cylinder, 2-Stroke, Air Cooled
Controller Type
High efficiency and power dense, 900 Amp, 3-phase AC controller with regenerative deceleration
N/A
Controller Type
High efficiency and power dense, 900 Amp, 3-phase AC controller with regenerative deceleration
N/A
Transmission Type
Clutchless direct drive (Automatic)
Manual
Transmission Type
Clutchless direct drive (Automatic)
Manual
Clutch Type
Not Applicable
Wet Multi-Plate
Clutch Type
Not Applicable
Wet Multi-Plate
Drive Type
Belt (Poly Chain HTD Carbon belt)
Chain Drive
Drive Type
Belt (Poly Chain HTD Carbon belt)
Chain Drive
Brand
Zero
Bajaj (Kawasaki Bajaj)
Brand
Zero
Bajaj (Kawasaki Bajaj)
Model
SR/S
KB 125
Model
SR/S
KB 125
Bike Name
Zero SR/S Premium
Bajaj KB 125
Bike Name
Zero SR/S Premium
Bajaj KB 125
Model Year
2025
$\sim 1996 - 2000$ (Discontinued)
Model Year
2025
$\sim 1996 - 2000$ (Discontinued)
Category/Type
Sport-Touring Electric Bike
Classic Commuter / Standard
Category/Type
Sport-Touring Electric Bike
Classic Commuter / Standard
Country of Origin
USA
India / Collaboration with Japan (Kawasaki)
Country of Origin
USA
India / Collaboration with Japan (Kawasaki)
Assembly Location
Not Available (Globally Assembled by Zero)
India / N/A (Discontinued)
Assembly Location
Not Available (Globally Assembled by Zero)
India / N/A (Discontinued)
Status
Available (via import/select dealers in BD)
Discontinued - Available Only in Used Market
Status
Available (via import/select dealers in BD)
Discontinued - Available Only in Used Market
Colors Available
Orbit Blue / Coral, Thermal / Black (International Specs)
Red, Blue, Black (Original)
Colors Available
Orbit Blue / Coral, Thermal / Black (International Specs)
Red, Blue, Black (Original)
Battery Type
Z-Force Li-Ion intelligent integrated
Wet Cell (Historically)
Battery Type
Z-Force Li-Ion intelligent integrated
Wet Cell (Historically)
Charger Type
6.6kW integrated (Standard for Premium)
N/A
Charger Type
6.6kW integrated (Standard for Premium)
N/A
Seat Type
Two-Up (Rider and Pillion)
Single Seat (Long Seat)
Seat Type
Two-Up (Rider and Pillion)
Single Seat (Long Seat)
Handle Type
Upright, relaxed bar for sport-touring
Single Tubular Handlebar
Handle Type
Upright, relaxed bar for sport-touring
Single Tubular Handlebar
Frame Type
Steel trellis
Single Down Tube Frame
Frame Type
Steel trellis
Single Down Tube Frame
Swingarm Type
Aluminum
N/A
Swingarm Type
Aluminum
N/A
Engine & Performance
Displacement (cc)
N/A
$123 \text{ cc}$
Displacement (cc)
N/A
$123 \text{ cc}$
Maximum Power
111 hp (83 kW) @ 5,600 rpm
$12.5 \text{ PS } @ 7250 \text{ rpm}$
Maximum Power
111 hp (83 kW) @ 5,600 rpm
$12.5 \text{ PS } @ 7250 \text{ rpm}$
Maximum Torque
140 lb-ft (190 Nm)
$11.0 \text{ Nm } @ 7500 \text{ rpm}$
Maximum Torque
140 lb-ft (190 Nm)
$11.0 \text{ Nm } @ 7500 \text{ rpm}$
Peak Power
111 hp (83 kW)
$12.5 \text{ PS } @ 7250 \text{ rpm}$
Peak Power
111 hp (83 kW)
$12.5 \text{ PS } @ 7250 \text{ rpm}$
Number of Cylinders
Not Applicable
1
Number of Cylinders
Not Applicable
1
Valve Configuration
Not Applicable
N/A
Valve Configuration
Not Applicable
N/A
Valves Per Cylinder
Not Applicable
N/A
Valves Per Cylinder
Not Applicable
N/A
Bore
N/A
$55.0 \text{ mm}$
Bore
N/A
$55.0 \text{ mm}$
Stroke
N/A
$51.8 \text{ mm}$
Stroke
N/A
$51.8 \text{ mm}$
Bore x Stroke
N/A
$55.0 \text{ x } 51.8 \text{ mm}$
Bore x Stroke
N/A
$55.0 \text{ x } 51.8 \text{ mm}$
Compression Ratio
N/A
N/A
Compression Ratio
N/A
N/A
Cooling System
Passively Air-Cooled
Air Cooled
Cooling System
Passively Air-Cooled
Air Cooled
Fuel Supply System
N/A (Electric)
Carburetor
Fuel Supply System
N/A (Electric)
Carburetor
Ignition System
N/A (Electric)
Digital (CDI)
Ignition System
N/A (Electric)
Digital (CDI)
Engine Layout
N/A (Electric Motor)
Vertical
Engine Layout
N/A (Electric Motor)
Vertical
Engine Oil Grade
Not Applicable
2-Stroke Oil (Separate Tank)
Engine Oil Grade
Not Applicable
2-Stroke Oil (Separate Tank)
Valve Adjustment Interval
Not Applicable (Low-to-No Maintenance)
N/A
Valve Adjustment Interval
Not Applicable (Low-to-No Maintenance)
N/A
Starting System
Electric
Kick Start Only
Starting System
Electric
Kick Start Only
Engine Kill Switch
N/A (Power Cut-off switch likely present)
No (Based on era)
Engine Kill Switch
N/A (Power Cut-off switch likely present)
No (Based on era)
Power-to-Weight Ratio
Approximately 0.47 hp/kg (Based on Peak Power/Wet Weight)
N/A
Power-to-Weight Ratio
Approximately 0.47 hp/kg (Based on Peak Power/Wet Weight)
N/A
Power Consumption
Not Available (Varies significantly by riding style)
N/A
Power Consumption
Not Available (Varies significantly by riding style)
N/A
Motor Power
111 hp (83 kW) Peak
N/A
Motor Power
111 hp (83 kW) Peak
N/A
Emission Standard
Zero Emission
Pre-Emission Standard (Discontinued)
Emission Standard
Zero Emission
Pre-Emission Standard (Discontinued)
Battery Power
Max Capacity 17.3 kWh, Nominal Capacity 15.1 kWh
N/A
Battery Power
Max Capacity 17.3 kWh, Nominal Capacity 15.1 kWh
N/A
Power Mode Indicator
Yes (Rain, Eco, Standard, Sport, Canyon, Custom modes)
N/A
Power Mode Indicator
Yes (Rain, Eco, Standard, Sport, Canyon, Custom modes)
N/A
Fuel & Mileage
Engine Oil Capacity
Not Applicable
N/A (Gearbox) / Separate 2-Stroke Oil Tank
Engine Oil Capacity
Not Applicable
N/A (Gearbox) / Separate 2-Stroke Oil Tank
Fuel Tank Capacity
Not Applicable
$8.0 \text{ Litres}$ (Main) + $2.3 \text{ L}$ (Reserve)
Fuel Tank Capacity
Not Applicable
$8.0 \text{ Litres}$ (Main) + $2.3 \text{ L}$ (Reserve)
Fuel Economy
Equivalent to 380 MPGe (US EPA City Rating)
$\sim 40 \text{ kmpl}$ (User Reported)
Fuel Economy
Equivalent to 380 MPGe (US EPA City Rating)
$\sim 40 \text{ kmpl}$ (User Reported)
Average Mileage
Not Available (Depends heavily on charging cost)
$\sim 40-45 \text{ kmpl}$
Average Mileage
Not Available (Depends heavily on charging cost)
$\sim 40-45 \text{ kmpl}$
Mileage City
Not Available
$\sim 40 \text{ kmpl}$
Mileage City
Not Available
$\sim 40 \text{ kmpl}$
Mileage Highway
Not Available
$\sim 45 \text{ kmpl}$
Mileage Highway
Not Available
$\sim 45 \text{ kmpl}$
Load Capacity
482 lb (219 kg) (International Specs)
N/A
Load Capacity
482 lb (219 kg) (International Specs)
N/A
Battery Capacity
Max 17.3 kWh / Nominal 15.1 kWh
N/A
Battery Capacity
Max 17.3 kWh / Nominal 15.1 kWh
N/A
Range
Yes
$\sim 350 \text{ km}$ (Calculated with $40 \text{ kmpl}$ avg)
Range
Yes
$\sim 350 \text{ km}$ (Calculated with $40 \text{ kmpl}$ avg)
Range Indicator
Digital
No
Range Indicator
Digital
No
Range Per Charge (Eco)
Up to 171 miles (275 km) City
N/A
Range Per Charge (Eco)
Up to 171 miles (275 km) City
N/A
Range Per Charge (Normal)
Approx. 142 miles (229 km) Combined (55 mph hwy)
N/A
Range Per Charge (Normal)
Approx. 142 miles (229 km) Combined (55 mph hwy)
N/A
Range Per Charge (Sport)
Significantly lower (Dependent on aggressive riding)
N/A
Range Per Charge (Sport)
Significantly lower (Dependent on aggressive riding)
N/A
Low Fuel Warning
Yes
Yes (Manual Reserve Tap)
Low Fuel Warning
Yes
Yes (Manual Reserve Tap)
Performance & Speed
Top Speed
124 mph (200 km/h)
$\sim 105-110 \text{ kmph}$ (Approximate)
Top Speed
124 mph (200 km/h)
$\sim 105-110 \text{ kmph}$ (Approximate)
Acceleration (0-60)
Not Available (Extremely Quick)
N/A (Very Quick for its era)
Acceleration (0-60)
Not Available (Extremely Quick)
N/A (Very Quick for its era)
Acceleration (0-100)
Not Available
N/A
Acceleration (0-100)
Not Available
N/A
Quick Shifter
Not Applicable (No gears)
No
Quick Shifter
Not Applicable (No gears)
No
Launch Control
Not Available
No
Launch Control
Not Available
No
Traction Control
Yes (Bosch Advanced MSC)
No
Traction Control
Yes (Bosch Advanced MSC)
No
Transmission & Drive
Number of Gears
Not Applicable (Clutchless Direct Drive)
4-Speed (Some international versions may have been 5-speed)
Number of Gears
Not Applicable (Clutchless Direct Drive)
4-Speed (Some international versions may have been 5-speed)
Gear Pattern
Not Applicable
All Up / N-1-2-3-4 (Varies by market)
Gear Pattern
Not Applicable
All Up / N-1-2-3-4 (Varies by market)
Gear Ratios
Not Applicable
N/A
Gear Ratios
Not Applicable
N/A
Primary Drive
Not Applicable
N/A
Primary Drive
Not Applicable
N/A
Final Drive
Poly Chain HTD Carbon belt
Chain
Final Drive
Poly Chain HTD Carbon belt
Chain
Drive Chain/Belt Type
Carbon Belt
N/A
Drive Chain/Belt Type
Carbon Belt
N/A
Chain/Belt Life
Long (Low Maintenance)
N/A
Chain/Belt Life
Long (Low Maintenance)
N/A
Dimensions & Weight
Overall Length
Not Available
2040 mm
Overall Length
Not Available
2040 mm
Overall Width
Not Available
760 mm
Overall Width
Not Available
760 mm
Overall Height
Not Available
1087 mm
Overall Height
Not Available
1087 mm
Wheelbase
57.1 in (1,450 mm)
1260 mm
Wheelbase
57.1 in (1,450 mm)
1260 mm
Ground Clearance
Not Available
162 mm
Ground Clearance
Not Available
162 mm
Seat Height
31.0 in (787 mm)
N/A
Seat Height
31.0 in (787 mm)
N/A
Step-up Seat Height
Not Available
N/A
Step-up Seat Height
Not Available
N/A
Kerb Weight
518 lb (235 kg)
$120 \text{ kg}$
Kerb Weight
518 lb (235 kg)
$120 \text{ kg}$
Gross Weight
Not Available
N/A
Gross Weight
Not Available
N/A
Battery Weight
Not Available
N/A
Battery Weight
Not Available
N/A
Brakes & Safety
Front Brake Type
Dual Disc
130 mm Drum
Front Brake Type
Dual Disc
130 mm Drum
Rear Brake Type
Single Disc
130 mm Drum
Rear Brake Type
Single Disc
130 mm Drum
Front Brake Size
Dual 320 x 5 mm discs
$130 \text{ mm}$
Front Brake Size
Dual 320 x 5 mm discs
$130 \text{ mm}$
Rear Brake Size
240 x 4.5 mm disc
$130 \text{ mm}$
Rear Brake Size
240 x 4.5 mm disc
$130 \text{ mm}$
ABS Type
Bosch Advanced MSC (Cornering ABS)
No
ABS Type
Bosch Advanced MSC (Cornering ABS)
No
Brake Pad Life
Long (Due to Regenerative Braking)
N/A
Brake Pad Life
Long (Due to Regenerative Braking)
N/A
Braking Distance
Not Available
N/A
Braking Distance
Not Available
N/A
Regenerative Braking
Yes (Adjustable via Cypher III+)
No
Regenerative Braking
Yes (Adjustable via Cypher III+)
No
Anti-Theft System
Yes (Cypher III+ Security Features)
No
Anti-Theft System
Yes (Cypher III+ Security Features)
No
Central Lock
Not Available
N/A
Central Lock
Not Available
N/A
Remote Lock
Not Available
N/A
Remote Lock
Not Available
N/A
Handle Lock
Yes
Yes
Handle Lock
Yes
Yes
Steering Lock
Yes
Yes
Steering Lock
Yes
Yes
Suspension & Handling
Front Suspension Type
Showa 43 mm Big Piston Separate Function inverted fork, fully adjustable
Telescopic Forks
Front Suspension Type
Showa 43 mm Big Piston Separate Function inverted fork, fully adjustable
Telescopic Forks
Rear Suspension Type
Showa 40 mm piston piggy-back reservoir shock, fully adjustable
Twin Shock Absorbers ($5$ step adjustable hydraulic)
Rear Suspension Type
Showa 40 mm piston piggy-back reservoir shock, fully adjustable
Twin Shock Absorbers ($5$ step adjustable hydraulic)
Front Suspension Travel
4.72 in (120 mm)
N/A
Front Suspension Travel
4.72 in (120 mm)
N/A
Rear Suspension Travel
5.51 in (140 mm)
N/A
Rear Suspension Travel
5.51 in (140 mm)
N/A
Adjustable Controls
Yes (Footpegs and Handlebar position relative to SR/F)
No
Adjustable Controls
Yes (Footpegs and Handlebar position relative to SR/F)
No
Climbing Ability
Not Available (High torque suggests excellent ability)
N/A
Climbing Ability
Not Available (High torque suggests excellent ability)
N/A
Wheels & Tires
Front Tyre Size
Pirelli Diablo Rosso III 120/70-17
2.75 x 18 - 4 PR
Front Tyre Size
Pirelli Diablo Rosso III 120/70-17
2.75 x 18 - 4 PR
Rear Tyre Size
Pirelli Diablo Rosso III 180/55-17
3.00 x 18 - 6 PR
Rear Tyre Size
Pirelli Diablo Rosso III 180/55-17
3.00 x 18 - 6 PR
Front Wheel Size
3.50 x 17
$18 \text{ inch}$
Front Wheel Size
3.50 x 17
$18 \text{ inch}$
Rear Wheel Size
5.50 x 17
$18 \text{ inch}$
Rear Wheel Size
5.50 x 17
$18 \text{ inch}$
Tyre Type
Tubeless
Tube Type (Historically)
Tyre Type
Tubeless
Tube Type (Historically)
Tyre Brand
Pirelli Diablo Rosso III
N/A
Tyre Brand
Pirelli Diablo Rosso III
N/A
Tyre Life
Not Available
N/A
Tyre Life
Not Available
N/A
Wheel Type
Alloy
Spoke / Alloy (Varied by variant/market)
Wheel Type
Alloy
Spoke / Alloy (Varied by variant/market)
Wheel Material
Aluminum
N/A
Wheel Material
Aluminum
N/A
Electrical & Battery
Motor Efficiency
High Efficiency
N/A
Motor Efficiency
High Efficiency
N/A
Motor Life
Long (Interior permanent magnet AC motor)
N/A
Motor Life
Long (Interior permanent magnet AC motor)
N/A
Motor Placement
Coaxial (Integrated into frame)
N/A
Motor Placement
Coaxial (Integrated into frame)
N/A
Motor Controller
900 Amp, 3-phase AC
N/A
Motor Controller
900 Amp, 3-phase AC
N/A
Controller Voltage
Not Available
N/A
Controller Voltage
Not Available
N/A
Controller Life
Not Available
N/A
Controller Life
Not Available
N/A
Battery Voltage
Not Available
N/A
Battery Voltage
Not Available
N/A
Battery Rating
Z-Force Li-Ion
N/A
Battery Rating
Z-Force Li-Ion
N/A
Battery Life
5 years/Unlimited Miles Warranty (International)
N/A
Battery Life
5 years/Unlimited Miles Warranty (International)
N/A
Battery Warranty
5 Years/Unlimited Miles (International)
N/A
Battery Warranty
5 Years/Unlimited Miles (International)
N/A
Battery Removable
No (Integrated)
N/A
Battery Removable
No (Integrated)
N/A
Battery Replacement Cost
Not Available (Expected to be high)
N/A
Battery Replacement Cost
Not Available (Expected to be high)
N/A
Battery Health Check
Yes (via Cypher III+ and Mobile App)
N/A
Battery Health Check
Yes (via Cypher III+ and Mobile App)
N/A
Battery Life Indicator
Digital
N/A
Battery Life Indicator
Digital
N/A
Battery Management System
Z-Force® Li-Ion intelligent integrated
N/A
Battery Management System
Z-Force® Li-Ion intelligent integrated
N/A
Charging Time
11.6 hours (100% on Standard Household) / 1.6 hours (100% with 6 kW Rapid Charger)
N/A
Charging Time
11.6 hours (100% on Standard Household) / 1.6 hours (100% with 6 kW Rapid Charger)
N/A
Charging Port
J1772 (Level 2 Charging Port)
N/A
Charging Port
J1772 (Level 2 Charging Port)
N/A
Charging Input
120V Standard/240V Level 2
N/A
Charging Input
120V Standard/240V Level 2
N/A
Fast Charging
Yes (Up to 6kW integrated, 12kW with accessory)
N/A
Fast Charging
Yes (Up to 6kW integrated, 12kW with accessory)
N/A
USB Charging
Yes
No
USB Charging
Yes
No
Lighting & Display
Error Code Display
Yes (Digital Display)
No
Error Code Display
Yes (Digital Display)
No
Headlight Type
LED
Halogen Bulb
Headlight Type
LED
Halogen Bulb
Tail Light Type
LED
Halogen Bulb
Tail Light Type
LED
Halogen Bulb
Turn Signal Type
LED
Halogen Bulb
Turn Signal Type
LED
Halogen Bulb
DRL
Yes
No
DRL
Yes
No
Hazard Light
Yes
No
Hazard Light
Yes
No
Display Type
Color TFT Display
Analogue
Display Type
Color TFT Display
Analogue
Speedometer Type
Digital
Analogue
Speedometer Type
Digital
Analogue
Odometer Type
Digital
Analogue
Odometer Type
Digital
Analogue
Tachometer Type
Digital (Motor RPM/Power Indicator)
Analogue
Tachometer Type
Digital (Motor RPM/Power Indicator)
Analogue
Fuel Gauge Type
Digital Battery/Range Indicator
Analogue
Fuel Gauge Type
Digital Battery/Range Indicator
Analogue
Clock
Digital
No
Clock
Digital
No
Pass Light Switch
Yes
No
Pass Light Switch
Yes
No
Side Stand Indicator
Yes
No
Side Stand Indicator
Yes
No
Technology & Features
Trip Meter
Digital (Dual)
Analogue (Single)
Trip Meter
Digital (Dual)
Analogue (Single)
Mobile Connectivity
Yes (Cypher III+ via NextGen App)
No
Mobile Connectivity
Yes (Cypher III+ via NextGen App)
No
Bluetooth Features
Yes (App connectivity, system updates, ride data)
No
Bluetooth Features
Yes (App connectivity, system updates, ride data)
No
Navigation
App-based turn-by-turn via Mobile Connectivity
No
Navigation
App-based turn-by-turn via Mobile Connectivity
No
Riding Modes
Rain, Eco, Standard, Sport, Canyon, Custom
No
Riding Modes
Rain, Eco, Standard, Sport, Canyon, Custom
No
Parking Mode
Not Available
N/A
Parking Mode
Not Available
N/A
Reverse Mode
Not Available
N/A
Reverse Mode
Not Available
N/A
Comfort & Ergonomics
Wind Protection
Full aerodynamic fairing
Small Headlamp Fairing
Wind Protection
Full aerodynamic fairing
Small Headlamp Fairing
Pillion Seat
Yes
Yes
Pillion Seat
Yes
Yes
Pillion Footrest
Yesv
Yes
Pillion Footrest
Yesv
Yes
Pillion Grab Rails
Yes
Yes
Pillion Grab Rails
Yes
Yes
Footpeg Position
Sport-Touring (Lower/more forward than SR/F)
Commuter (Forward)
Footpeg Position
Sport-Touring (Lower/more forward than SR/F)
Commuter (Forward)
Storage Compartments
Yes (Small lockable compartment where the fuel tank usually is)
No
Storage Compartments
Yes (Small lockable compartment where the fuel tank usually is)
No
Under Seat Storage
Limited/None (Battery placement)
No
Under Seat Storage
Limited/None (Battery placement)
No
Pricing & Availability
Ex-showroom Price
Not Available (BD Specific)
Discontinued
Ex-showroom Price
Not Available (BD Specific)
Discontinued
On-Road Price
BDT 1,702,000 (As per some BD portals for SR/S)
Discontinued
On-Road Price
BDT 1,702,000 (As per some BD portals for SR/S)
Discontinued
Regular Price
BDT 1,702,000
$\text{Tk. 1,20,000}$ (Original Price $\sim 1998$)
Regular Price
BDT 1,702,000
$\text{Tk. 1,20,000}$ (Original Price $\sim 1998$)
Special Price
Not Available
N/A
Special Price
Not Available
N/A
Registration Cost
Variable (Local RTA rules apply)
N/A
Registration Cost
Variable (Local RTA rules apply)
N/A
Insurance Cost
Variable
N/A
Insurance Cost
Variable
N/A
EMI Options
Available via selected local financiers/dealers
Not Available
EMI Options
Available via selected local financiers/dealers
Not Available
Distributor/Seller
Selected Importers/Dealers in Bangladesh
Discontinued (Used Market)
Distributor/Seller
Selected Importers/Dealers in Bangladesh
Discontinued (Used Market)
Service Cost
Very Low (Minimal maintenance required)
Moderate (Due to 2-Stroke specific needs)
Service Cost
Very Low (Minimal maintenance required)
Moderate (Due to 2-Stroke specific needs)
Running Cost
Very Low (Cost of electricity vs. petrol)
Moderate (Lower mileage than modern 4-strokes)
Running Cost
Very Low (Cost of electricity vs. petrol)
Moderate (Lower mileage than modern 4-strokes)
Service & Maintenance
Air Filter Service Interval
Not Applicable
N/A
Air Filter Service Interval
Not Applicable
N/A
Service Reminder
Yes (via Cypher III+ operating system)
No
Service Reminder
Yes (via Cypher III+ operating system)
No
Spare Parts Availability
Limited (Imported parts, via official or grey channels)
Limited (Often requires specialized sourcing or after-market parts)
Spare Parts Availability
Limited (Imported parts, via official or grey channels)
Limited (Often requires specialized sourcing or after-market parts)
Service Intervals
Minimal (Primarily diagnostics, brakes, tires)
N/A (Dependent on owner/mechanic)
Service Intervals
Minimal (Primarily diagnostics, brakes, tires)
N/A (Dependent on owner/mechanic)
Warranty Terms
2 Years Standard Motorcycle, 5 Years/Unlimited Miles Power Pack (International)
N/A
Warranty Terms
2 Years Standard Motorcycle, 5 Years/Unlimited Miles Power Pack (International)
N/A