| Key Highlights | Xtreme 250R | R15S |
|---|---|---|
| Price | ₹ 1.66 Lakh | ₹ 1.54 Lakh |
| Displacement | 249.03 cc | 155 cc |
| Power | 29.5 bhp @ 9250 rpm | 18.1 bhp @ 10000 rpm |
| Mileage | 50 kmpl | 47 kmpl |
| Top Speed | 130 km/h | 136 km/h |
| Max Power Highest power the engine/motor can produce. | 29.5 bhp @ 9250 rpm | 18.1 bhp @ 10000 rpm |
| Max Torque The highest twisting force the engine generates, which affects acceleration and pulling power. | 25 Nm @ 7250 rpm | 14.2 Nm @7,500 RPM |
| Battery Type | MF Battery | 12V, 4.0Ah |
| Compression Ratio Compression ratio is how much the engine squeezes air-fuel before ignition. Higher ratios mean more power; lower ratios improve durability. | 12:1 | 11.6 : 1 |
| Engine Type Design and working of the two-wheeler's engine. | 4 Stroke, 4 Valve, Single Cylinder Liquid Cooled, DOHC | Liquid-cooled, 4-stroke, SOHC, 4-valve |
| Displacement Engine cylinder capacity measured in cc. | 249.03 | 155 |
| Bore Bore is the diameter of a bike’s engine cylinder. A larger bore allows more fuel-air mix, increasing power and speed. | 73 mm | 58 mm |
| Range The maximum distance an electric two-wheeler can travel on a full charge. | N/A | 517 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. | 59.5 mm | 58.7 mm |
| Top Speed | 130 Km/h | 136 Km/h |
| Tyre Size | Front :- 110/70 - 17 Rear :- 150/60 - 17 | Front : 100/80-17M/C 52P, Rear : 140/70R17M/C 66H |
| Wheel Size | Front: 17 inch ,Rear: 17 inch | Front: 17 inch Rear: 17 inch |
| Wheels Type | Alloy | Alloy |
| Tubeless Tyre A tyre without an inner tube, reducing puncture risks and maintaining air longer. | Tubeless | Yes |
| Ignition The system that starts the engine, usually via a key, button, or smart start. | N/A | CDI |
| Tyre Brand | N/A | N/A |
| Wheelbase The distance from the center of the front wheel to the center of the rear wheel, affecting stability, handling, and riding comfort. | 1357 mm | 1325 mm |
| 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 | 33 psi |
| Rear Tyre Pressure Rider And Pillion | N/A | 33 psi |
| Tubless | Yes | N/A |
| Abs (Anti-locking Braking System) Prevents wheel locking during hard braking, improving control and safety. | Dual Channel Switchable ABS with 2 modes | Dual channel |
| Front Brake Diameter | 320 mm | 282 mm |
| Rear Brake Diameter | 230 mm | 220 mm |
| Fuel Supply | N/A | Fuel injection |
| Fuel Capacity | 11.5 L | 11 L |
| Fuel Reserve | N/A | 2.2 L |
| Body Type The overall design and shape of the bike (e.g., cruiser, sports, scooter). | Street Bike | Sports |
| Frame The main structure holding the bike together. | Steel Trellis Frame | Deltabox |
| Additional Storage Extra space for carrying items. | N/A | N/A |
| Ground Clearance Distance between the bike’s lowest part and the ground. | 167 mm | 170 mm |
| Height | 1062 mm | 1135 mm |
| Kerb Weight Bike’s weight with fuel and fluids. | 167.7 Kg | 142 Kg |
| Length | 2023 mm | 1990 mm |
| Seat Height Distance from the ground to the seat. | 806 mm | 815 mm |
| Width | 828 mm | 725 mm |
| Usb Charging Port A USB slot to charge devices like phones. | N/A | Yes |
| Starting The method to start the bike (e.g., electric start, kick start, or both). | Self Start | Electric starter |
| Traction Control A system that prevents wheel slip by adjusting power during acceleration on slippery surfaces. | N/A | N/A |
| Fuel Gauge Indicates the current fuel level in the tank. | Digital | Yes |
| Low Battery Indicator Warns when the battery charge is low and may need recharging or replacement. | Yes | N/A |
| Service Due Indicator Reminds when the next bike servicing or maintenance is needed. | Yes | N/A |
| Clutch A device that connects and disconnects the engine from the wheels for smooth gear shifts. | Wet type-Assist & Slip | Wet, multiple-disc |
| Gear Box | 6 Speed | 6-Speed |
| Transmission The entire system that transfers engine power to the wheels (includes clutch and gearbox). | Constant Mesh | Constant mesh |
| Led Tail Light Energy-efficient, bright rear light. | Yes | N/A |
| Battery Capacity Total energy the battery can store. | 12V- 8 Ah, ETZ-9 | 12V, 4.0Ah |
| Suspension Front | Dia 43 mm, Upside Down Front Fork (120 mm stroke) | Telescopic fork |
| Suspension Rear | Gas Charged Mono Shock, 6 Step Pre-load Adjustable | Monocross (link suspension) |
| Seat Type The design of the seat that affects comfort and seating position. | N/A | Telescopic upside Down Fork (USD Fork) |
| Stepup Seat | N/A | Yes |
| Additional Features | LCD Instrument Cluster, Lap Timer | N/A |
| Mobile Application A companion app to monitor bike stats, location, and settings. | N/A | Yes |
| Call Sms Alerts Notifies you of incoming calls or messages on the bike’s screen. | Yes | N/A |
| Geo Fencing Alerts you if the bike moves beyond a set location boundary. | N/A | N/A |
| Cruise Control A feature in which rider can set a steady speed without using the throttle. | N/A | N/A |