| Key Highlights | 390 Duke | Roadster |
|---|---|---|
| Price | ₹ 2.97 Lakh | ₹ 1.96 Lakh |
| Displacement | 398.63 cc | 334 cc |
| Power | 45.37 bhp @ 8500 rpm | 28.7 bhp @ 7300 rpm |
| Mileage | 30 kmpl | 30 kmpl |
| Top Speed | 167 km/h | 140 km/h |
| Max Power Highest power the engine/motor can produce. | 45.37 bhp @ 8500 rpm | 28.7 bhp @ 7300 rpm |
| Max Torque The highest twisting force the engine generates, which affects acceleration and pulling power. | 39 Nm @ 6500 rpm | 29.62 Nm @ 6500 rpm |
| Battery Type | 12 V, 8 AH MF battery | MF Battery |
| Compression Ratio Compression ratio is how much the engine squeezes air-fuel before ignition. Higher ratios mean more power; lower ratios improve durability. | 12.71:1 | 11:1 |
| Cooling System Method used to prevent engine overheating. | Liquid cooling with radiator | Liquid Cooled |
| Engine Type Design and working of the two-wheeler's engine. | Single Cylinder Liquid Cooled, DOHC, FI Engine | Single cylinder, 4 Stroke, Liquid Cooled, DOHC |
| Displacement Engine cylinder capacity measured in cc. | 398.63 | 334 |
| Bore Bore is the diameter of a bike’s engine cylinder. A larger bore allows more fuel-air mix, increasing power and speed. | 89 mm | 81 mm |
| Charging At Charging Station | N/A | N/A |
| Charging At Home | N/A | N/A |
| Charging Station Locater | N/A | N/A |
| Launch Control System for fast, controlled acceleration. | Yes | N/A |
| Mileage City Distance a two-wheeler covers per liter/charge in city. | N/A | 30 Km |
| Peak Power Highest power a bike/scooter can produce. | 43 W | N/A |
| Quick Shifter A feature that allows gear shifting without clutch. | Yes | N/A |
| Range The maximum distance an electric two-wheeler can travel on a full charge. | 450 Km | 350 Km |
| Stroke Stroke is the piston’s movement inside the engine cylinder. Longer strokes give more torque, shorter strokes give more speed and higher RPM. | 64 mm | 65 mm |
| Top Speed | 167 Km/h | 140 Km/h |
| Tyre Size | Front : 110/70-17, Rear : 150/60-17 | Front : 100/90 - 18, Rear : 150/70 - 17 |
| Wheel Size | Front : 431.8 mm, Rear : 431.8 mm | Front : 457.2 mm, Rear : 431.8 mm |
| Wheelbase The distance from the center of the front wheel to the center of the rear wheel, affecting stability, handling, and riding comfort. | 1354 mm | N/A |
| Radial Tyre A tyre with strong sidewalls and better grip, durability, and heat resistance. | Yes | N/A |
| Front Tyre Pressure Rider | N/A | 28 psi |
| Front Tyre Pressure Rider And Pillion | N/A | 28 psi |
| Rear Tyre Pressure Rider | N/A | 30 psi |
| Rear Tyre Pressure Rider And Pillion | N/A | 32 psi |
| Tubless | Yes | N/A |
| Rear Brake | Disc with Floating calliper | Disc |
| Abs (Anti-locking Braking System) Prevents wheel locking during hard braking, improving control and safety. | Dual Channel | null |
| Front Brake | Disc with Radially mounted calliper | Disc |
| Braking Type | Dual Channel ABS | N/A |
| Fuel Supply | Bosch Electronic Fuel Injection | Fuel Injection |
| Fuel Capacity | 15 L | 12 L |
| Fuel Reserve | 3 L | 2 L |
| Body Type The overall design and shape of the bike (e.g., cruiser, sports, scooter). | Naked Bike | Cruiser Bikes |
| Drive Type How power is sent to the wheels (e.g., chain, belt, shaft). | Chain Drive | N/A |
| Frame The main structure holding the bike together. | Split-Trellis Frame | N/A |
| Dry Weight Bike’s weight without fuel and fluids. | 163 Kg | N/A |
| Ground Clearance Distance between the bike’s lowest part and the ground. | 183 mm | 171 mm |
| Kerb Weight Bike’s weight with fuel and fluids. | 168.3 Kg | 194 Kg |
| Saddle Height Distance from the ground to the seat. | 800 mm | N/A |
| Seat Height Distance from the ground to the seat. | 800 mm | N/A |
| Usb Charging Port A USB slot to charge devices like phones. | Yes | N/A |
| Riding Modes Different settings (e.g., Sport, Eco, Rain) that adjust performance and power delivery. | Street & Rain | No |
| Starting The method to start the bike (e.g., electric start, kick start, or both). | Electric Start | Self Start Only |
| Engine Kill Switch A button to instantly turn off the engine for safety and convenience. | Yes | N/A |
| Pass Switch A switch to flash the high beam, signaling other vehicles while overtaking. | Yes | N/A |
| Display A screen that shows important riding information like speed, fuel, and trip details. | 5" TFT dash display | LCD |
| Fuel Gauge Indicates the current fuel level in the tank. | Digital | Yes |
| Speedometer Displays the current speed of the bike in km/h or mph. | Digital | Digital |
| Low Battery Indicator Warns when the battery charge is low and may need recharging or replacement. | Yes | N/A |
| Low Oil Indicator Alerts when engine oil is low, preventing damage and ensuring smooth performance. | Yes | N/A |
| Head Light | Full Split LED Headlamp | LED |
| Drls | Yes | N/A |
| Led Tail Light Energy-efficient, bright rear light. | Yes | N/A |
| Low Fuel Indicator A warning light when fuel is low. | Yes | N/A |
| Battery Capacity Total energy the battery can store. | 12 V, 8 AH | N/A |
| Suspension Front | 5-click Compression & Rebound adjustable, Open Cartridge, WP APEX USD forks, 43mm diameter | Telescopic Forks, 41mm |
| Suspension Rear | Adjustable WP APEX Monoshock, 5-step Rebound damping, 10-step preload adjustable | Dual shocks |
| Seat Type The design of the seat that affects comfort and seating position. | Split | Single |
| Stepup Seat | Yes | N/A |
| Additional Features | Ride modes - Street & Rain, Motorcycle Traction Control (MTC), Track Screen, Ride-by-wire, Quickshifter+ | Twin Exhaust, Fuel Warning Indicator |
| Anti Theft Alarm Alerts if someone tries to steal or tamper with the bike. | Yes | N/A |
| Navigation A feature that provides turn-by-turn directions on the two-wheeler display or connected device. | Yes | N/A |
| Mobile Application A companion app to monitor bike stats, location, and settings. | Yes | N/A |
| Cruise Control A feature in which rider can set a steady speed without using the throttle. | Yes | N/A |