| Key Highlights | RR 300 | 250 Duke |
|---|---|---|
| Price | ₹ 1.83 Lakh | ₹ 2.12 Lakh |
| Displacement | 292.4 cc | 249.07 cc |
| Power | 27.50 HP @8750 rpm | 30.57 bhp @ 9250 rpm |
| Mileage | 40 kmpl | 31 kmpl |
| Top Speed | 139 km/h | 148 km/h |
| Max Power Highest power the engine/motor can produce. | 27.50 HP @8750 rpm | 30.57 bhp @ 9250 rpm |
| Max Torque The highest twisting force the engine generates, which affects acceleration and pulling power. | 25 Nm @7000 rpm | 25 Nm @ 7250 rpm |
| Battery Type | N/A | 12 V, 8 AH 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. | 11.1:1 | 12.63:1 |
| Cooling System Method used to prevent engine overheating. | Liquid Cooled | Liquid cooling with radiator |
| Emission Type Pollution level compliance of the engine. | BS6 Phase 2B | BS6 Phase 2 |
| Engine Type Design and working of the two-wheeler's engine. | Single-Cylinder, Liquid-Cooled, DOHC | Single Cylinder Liquid Cooled, FI Engine |
| Displacement Engine cylinder capacity measured in cc. | 292.4 | 249.07 |
| Bore Bore is the diameter of a bike’s engine cylinder. A larger bore allows more fuel-air mix, increasing power and speed. | 78 mm | 72 mm |
| Peak Power Highest power a bike/scooter can produce. | N/A | 31 W |
| Range The maximum distance an electric two-wheeler can travel on a full charge. | N/A | 465 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. | 61.2 mm | 61.1 mm |
| Top Speed | 139 Km/h | 148 Km/h |
| Tyre Size | Front : 110/70-17, Rear : 140/60-17 | N/A |
| Tubeless Tyre A tyre without an inner tube, reducing puncture risks and maintaining air longer. | Tubeless | Tubeless |
| Ignition The system that starts the engine, usually via a key, button, or smart start. | N/A | CDI |
| Wheelbase The distance from the center of the front wheel to the center of the rear wheel, affecting stability, handling, and riding comfort. | 1360 mm | N/A |
| Radial Tyre A tyre with strong sidewalls and better grip, durability, and heat resistance. | N/A | Yes |
| Front Tyre Pressure Rider | N/A | 29 psi |
| Front Tyre Pressure Rider And Pillion | N/A | 29 psi |
| Rear Tyre Pressure Rider | N/A | 32 psi |
| Rear Tyre Pressure Rider And Pillion | N/A | 32 psi |
| Rear Brake | Single disc, single-piston calipers, Φ220mm | Disc |
| Abs (Anti-locking Braking System) Prevents wheel locking during hard braking, improving control and safety. | Dual Channel ABS | Bosch Dual Channel |
| Front Brake | Single disc, opposing four-piston calipers, Φ292mm | Disc |
| Front Brake Diameter | 292 mm | 320 mm |
| Rear Brake Diameter | 220 mm | 240 mm |
| Fuel Supply | Fuel injection | Bosch Electronic Fuel Injection |
| Fuel Capacity | 12 L | 15 L |
| Fuel Reserve | N/A | 3 L |
| Body Type The overall design and shape of the bike (e.g., cruiser, sports, scooter). | N/A | Street Bike |
| Frame The main structure holding the bike together. | N/A | Split-Trellis Frame |
| Ground Clearance Distance between the bike’s lowest part and the ground. | 135 mm | 176 mm |
| Height | 1080 mm | N/A |
| Kerb Weight Bike’s weight with fuel and fluids. | 165 Kg | 162.8 Kg |
| Length | 2010 mm | N/A |
| Saddle Height Distance from the ground to the seat. | N/A | 800820 mm |
| Seat Height Distance from the ground to the seat. | 780 mm | 800 mm |
| Width | 750 mm | N/A |
| Mobile Connectivity A feature to connect your phone to the two-wheeler's system. | N/A | Yes |
| Riding Modes Different settings (e.g., Sport, Eco, Rain) that adjust performance and power delivery. | N/A | No |
| Starting The method to start the bike (e.g., electric start, kick start, or both). | Self Start Only | Electric Start |
| Pass Switch A switch to flash the high beam, signaling other vehicles while overtaking. | N/A | Yes |
| Traction Control A system that prevents wheel slip by adjusting power during acceleration on slippery surfaces. | N/A | N/A |
| Display A screen that shows important riding information like speed, fuel, and trip details. | N/A | 5" LCD display |
| Instrument Console The main dashboard displaying speed, fuel, engine stats, and warnings. | N/A | Digital |
| Techometer | N/A | Digital |
| Distance To Empty Indicator Estimates how far you can ride before the fuel runs out. | N/A | N/A |
| Low Battery Indicator Warns when the battery charge is low and may need recharging or replacement. | N/A | Yes |
| Low Oil Indicator Alerts when engine oil is low, preventing damage and ensuring smooth performance. | N/A | Yes |
| Service Due Indicator Reminds when the next bike servicing or maintenance is needed. | N/A | Yes |
| Head Light | LED | Full Split LED Headlamp |
| Tail Light | N/A | LED |
| Turn Signal Lamp Flashing lights on a two-wheeler that indicate the rider's turning or lane-changing direction. | N/A | LED |
| Led Tail Light Energy-efficient, bright rear light. | N/A | Yes |
| Battery Capacity Total energy the battery can store. | N/A | 2 V, 8 AH |
| Suspension Front | 37mm Upside-Down Forks | WP APEX USD forks, 43mm diameter |
| Suspension Rear | Pre-Load Adjustable Monoshock | WP APEX Monoshock, 10-step preload adjustable |
| Seat Type The design of the seat that affects comfort and seating position. | Split | Single |
| Additional Features | N/A | Quickshifter+, Ride-by-wire |
| Navigation A feature that provides turn-by-turn directions on the two-wheeler display or connected device. | N/A | Yes |