1. Important Safety Information
⚠️ WARNING: Potential Fire Risk!
Always strictly follow the instruction manual for charging and storage of the battery. Improper handling can lead to fire hazards.
When using the Varun S26-1 electric bicycle, please ensure you:
- Wear appropriate protective equipment, including a helmet, at all times.
- Comply fully with all applicable local laws and regulations regarding electric bicycles.
- Perform a pre-ride safety check before each use (brakes, tires, battery, quick releases).
- Do not operate the e-bike under the influence of alcohol or drugs.
- Be aware of your surroundings and ride defensively.
- Do not exceed the maximum load capacity of 150 kg.
2. Product Overview
The Varun S26-1 is an adult urban commuting electric bicycle designed for versatility, featuring a robust fat tire design suitable for various terrains. It combines a powerful motor with a long-lasting battery to provide an efficient and enjoyable riding experience.
Key Features:
- Motor: 250W Brushless Motor with 80NM torque.
- Battery: 48V 16Ah/18Ah Removable Lithium Battery.
- Range: 60-100 KM per charge (depending on battery capacity and riding conditions).
- Tires: 26*4.0 inch All-Terrain Fat Tires, suitable for city roads, snow, and mountain trails.
- Suspension: Triple Damping System (Front and Rear) for enhanced comfort and control.
- Gears: 7-speed Shimano gear system.
- Display: Intelligent LCD Display showing battery indicator, 3 PAS (Pedal Assist System) gears, current speed, travel distance, and headlight status.
- Water Resistance: IP54 Waterproof rating.
- Frame: Durable Aluminum Alloy frame.
- Max Speed: <25 km/h.
- Max Incline: Up to 30°.
Figure 1: Varun S26-1 Electric Bicycle (White Model)
3. Technical Specifications
| Feature | Specification |
|---|---|
| Model Number | Varun S26-1 |
| Certification | CE |
| Rated Passenger Capacity | One Seat |
| Style | Luxury Type |
| Max Speed | <25km/h |
| Range per Power | 60-100 km (48V 16Ah/18Ah battery, depending on conditions) |
| Wattage | 200 - 250w |
| Voltage | 48V |
| Power Source | Lithium battery |
| Wheel Size | 26“ |
| Frame Material | Aluminum alloy |
| Folded | No |
| Motor Type | Brushless |
| Net Weight | 35 kg |
| Maximum Load | 150 kg |
| Recommended Rider Height | 160-195 cm |
| Package Dimensions (L x W x H) | 120 cm x 30 cm x 40 cm |
Figure 2: Varun S26-1 E-Bike Dimensions and Capacities
4. Assembly and Initial Setup
Your Varun S26-1 electric bicycle may require some assembly upon arrival. Please follow these general steps carefully. If you are unsure about any step, seek professional assistance.
- Unboxing: Carefully remove all components from the packaging. Retain packaging for future transport or returns.
- Handlebar Installation: Attach the handlebar to the stem, ensuring it is centered and tightened securely.
- Front Wheel Installation: Install the front wheel, ensuring the quick release or axle nuts are properly secured. Verify brake rotor alignment.
- Pedal Installation: Identify left (L) and right (R) pedals. Apply a small amount of grease to the threads and screw them into the crank arms. Note that the left pedal is reverse-threaded. Tighten firmly.
- Seat Post Adjustment: Insert the seat post into the frame and adjust the saddle height for comfortable pedaling. Secure the quick-release lever or bolt.
- Tire Inflation: Inflate both tires to the recommended pressure indicated on the tire sidewall.
- Battery Installation: Insert the removable battery into its compartment on the frame. Ensure it clicks securely into place.
- Initial Battery Charge: Before your first ride, fully charge the battery. Connect the charger to the battery port and then to a power outlet. The indicator light on the charger will change when fully charged.
- Pre-Ride Check: Before your first ride, and every subsequent ride, perform a safety check: ensure brakes are functional, tires are inflated, all bolts are tight, and the battery is secure.
5. Operating Instructions
5.1 Powering On/Off
To power on the e-bike, press and hold the power button on the LCD display. To power off, press and hold the same button again.
5.2 Intelligent LCD Display
The intelligent LCD display provides crucial information during your ride:
Figure 3: Intelligent LCD Display
- Battery Indicator: Shows the current battery charge level.
- PAS Gear: Indicates the current Pedal Assist System level (1-3).
- Current Speed: Displays your real-time riding speed.
- Travel Distance: Shows the distance covered during your current trip or total odometer.
- Headlight Indicator: Shows if the headlight is on or off.
5.3 Pedal Assist System (PAS)
The Varun S26-1 features 3 levels of pedal assist. Use the '+' and '-' buttons on the display control panel to cycle through the assist levels. Level 1 provides minimal assistance, while Level 3 provides maximum assistance.
5.4 Gear Shifting
The e-bike is equipped with a 7-speed Shimano gear system. Use the gear shifters on the handlebar to change gears according to terrain and desired pedaling effort. Shift smoothly to avoid damage to the drivetrain.
5.5 Braking
The e-bike is equipped with disc brakes. Use both front and rear brakes simultaneously for effective and safe stopping. Practice braking in a safe area to get accustomed to their feel.
5.6 Headlight Operation
The headlight can be turned on or off via the LCD display control panel. Ensure the headlight is on when riding in low-light conditions or at night for visibility and safety.
Figure 4: 250W Brushless Motor and 7-Speed Shimano Drivetrain
Figure 5: Triple Damping System in action
6. Maintenance and Care
Regular maintenance ensures the longevity and safe operation of your Varun S26-1 e-bike.
- Battery Care:
- Charge the battery fully after each ride, or at least once a month if not in use.
- Do not completely drain the battery.
- Store the battery in a cool, dry place, away from direct sunlight and extreme temperatures.
- Use only the original charger provided with the e-bike.
- Tire Pressure: Check tire pressure regularly (before each ride is ideal) and maintain it within the recommended range printed on the tire sidewall.
- Brake Checks: Periodically inspect brake pads for wear and ensure brake levers provide firm and responsive braking. Adjust or replace as needed.
- Chain Lubrication: Keep the chain clean and lubricated to ensure smooth gear changes and prevent rust.
- General Cleaning: Clean the e-bike regularly with a damp cloth. Avoid using high-pressure washers directly on electrical components.
- Bolt Tightness: Periodically check and tighten all bolts and fasteners, especially on critical components like handlebars, wheels, and seat post.
Figure 6: Removable 48V 16Ah Battery with IP54 Waterproofing and BMS
Figure 7: 26x4.0 Inch All-Terrain Fat Tire
7. Troubleshooting
Here are some common issues and their potential solutions:
- E-bike not turning on:
- Ensure the battery is fully charged and properly seated in its compartment.
- Check if the battery's power switch (if present) is in the 'ON' position.
- Verify all electrical connections are secure.
- Motor not assisting:
- Check the battery level on the LCD display.
- Ensure a PAS level (1-3) is selected.
- Make sure the brake levers are not engaged, as this can cut motor power.
- Brakes feel spongy or ineffective:
- Inspect brake pads for wear; replace if necessary.
- Check brake cables for proper tension (for mechanical brakes) or fluid levels (for hydraulic brakes).
- Ensure brake calipers are properly aligned with the rotors.
- Gears are not shifting smoothly:
- Check for proper chain lubrication.
- Inspect the derailleur and shifter cables for damage or misalignment.
- Ensure the chain is not worn or stretched.
If you encounter persistent issues not covered here, please contact customer support.
8. User Tips
- Ride Safely: Always wear a helmet and appropriate safety gear. Be mindful of traffic and pedestrians.
- Understand Local Laws: Familiarize yourself with local regulations concerning electric bicycles, including speed limits and where you can ride.
- Battery Management: For optimal battery life, avoid storing the battery in extreme heat or cold, and try to keep it charged between 20% and 80% for daily use.
- Regular Checks: A quick check of tire pressure, brakes, and battery level before each ride can prevent many common problems.
- Adjust for Comfort: Take the time to adjust your seat height and handlebar position for maximum comfort and efficiency, especially on longer rides.
9. Warranty and Support
The Varun S26-1 Electric Bicycle comes with a 1-Year Warranty covering manufacturing defects. Please retain your proof of purchase for warranty claims.
For technical support, warranty inquiries, or replacement parts, please contact the seller or manufacturer directly through the platform where you purchased the product.
