1. Introduction
Welcome to the Aairsk Q7 E-bike user manual. This guide provides essential information for the safe and efficient operation, maintenance, and care of your new electric bicycle. Please read this manual thoroughly before your first ride to ensure optimal performance and safety.

Figure 1: Aairsk Q7 E-bike with specifications (36V 10Ah, 26 Inch, 250W).
2. Safety Information
⚠️ IMPORTANT SAFETY WARNINGS
- Always wear appropriate protective equipment, including a helmet, when riding the e-bike.
- Strictly follow all local laws and regulations regarding electric bicycle use.
- Exercise caution when riding in traffic, adverse weather conditions, or at night.
- Battery Safety:
- To prevent fire risk, always follow the instruction manual for charging and storage of the battery.
- Do not expose the battery to extreme temperatures or direct sunlight for prolonged periods.
- Use only the charger provided by Aairsk for your Q7 E-bike.
- Regularly inspect your e-bike for any signs of damage or wear before each ride.
3. Package Contents
Upon unpacking, please ensure all the following components are present:
- Aairsk Q7 E-bike frame (partially assembled)
- Front wheel
- Handlebar assembly
- Seat post and saddle
- Pedals
- 36V 10Ah Lithium Battery
- Battery Charger
- Front and Rear Fenders
- Headlight
- Tool Kit (for assembly)
- User Manual (this document)
If any items are missing or damaged, please contact your retailer immediately.
4. Assembly and Initial Setup
Your Aairsk Q7 E-bike comes partially assembled. Follow these steps to complete the assembly and prepare for your first ride:
- Unpacking: Carefully remove all components from the packaging. Retain packaging for future transport or storage.
- Handlebar Installation: Attach the handlebar to the stem, ensuring it is centered and tightened securely.
- Front Wheel Installation: Install the front wheel, making sure the disc brake rotor is correctly seated in the caliper. Secure with the quick-release skewer or axle nuts.
- Pedal Installation: Identify the left (L) and right (R) pedals. The left pedal tightens counter-clockwise, and the right pedal tightens clockwise. Ensure they are fully tightened.
- Seat Post and Saddle: Insert the seat post into the frame and adjust the saddle height for a comfortable riding position (rider height 155-190 cm). Secure with the quick-release clamp.
- Fender and Headlight Installation: Attach the front and rear fenders and the LED headlight as per the included hardware.
- Battery Installation & Initial Charge:

Figure 2: Battery charging methods (on-bike or removed).
The 36V 10Ah lithium battery can be charged directly on the bike or removed for charging. For the first use, fully charge the battery for 5-6 hours. Ensure the charger is connected to the battery and then to a power outlet. The charger indicator will change when fully charged.
- Pre-Ride Checks:
- Check tire pressure (26"x1.95" all-terrain fat tires).
- Verify brake functionality (front and rear dual disc brakes).
- Ensure all bolts and quick releases are securely tightened.
- Test the headlight and horn.
5. Operating Your E-bike
The Aairsk Q7 E-bike offers a versatile riding experience with its electric assist system and traditional cycling capabilities.
5.1 Controls Overview

Figure 3: Handlebar controls.
- Key Switch: Used to turn the e-bike's electrical system on/off.
- Smart LCD Dashboard: Displays speed, battery level, assist level, and other riding data.
- Headlight Switch: Activates the LED headlight for improved visibility.
- Horn: Provides an audible warning.
- Shimano 7-Speed Derailleur: Allows for manual gear shifting to adapt to various terrains.
5.2 Riding Modes
The Q7 E-bike primarily operates in pedal-assist mode. The 250W brushless motor provides assistance up to 25 km/h and can handle inclines up to 15 degrees.

Figure 4: 250W Peak High-Power Motor capabilities.
- Pedal Assist Mode: The motor provides power as you pedal. The level of assistance can typically be adjusted via the LCD dashboard. This mode offers a range of approximately 75 km on a full charge.
- Manual Mode: Ride the e-bike like a traditional bicycle without motor assistance.
Note: Some regional models may include a throttle for electric-only propulsion. Please refer to your local regulations and specific product configuration.
5.3 Braking
The e-bike is equipped with front and rear dual disc brakes. These brakes are designed to automatically cut off power to the motor when engaged, ensuring safe and responsive stopping power.

Figure 5: Key features including dual disc brakes.
6. Maintenance and Care
Regular maintenance will prolong the life of your Aairsk Q7 E-bike and ensure safe operation.
- Cleaning: Clean the bike regularly with a damp cloth. Avoid high-pressure washing directly on electrical components.
- Tires: Check tire pressure before each ride. The 26"x1.95" all-terrain fat tires are designed for various surfaces.
- Brakes: Inspect brake pads for wear and ensure brake levers are responsive. Adjust as needed.
- Chain: Keep the chain clean and lubricated for smooth shifting and to prevent wear.
- Battery Care:
- Charge the battery regularly, even if not in use, to maintain its health.
- Store the battery in a cool, dry place, away from direct sunlight and extreme temperatures.
- Do not fully discharge the battery before recharging.
- Frame: The carbon alloy frame is designed for durability and corrosion resistance. Inspect for any cracks or damage.

Figure 6: Carbon Alloy Frame benefits.
- Suspension: Periodically check the front suspension system for proper function and clean any debris from the stanchions.
7. Troubleshooting
Here are some common issues and their potential solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| E-bike does not power on | Battery not charged or not properly installed; Key switch off. | Ensure battery is fully charged and securely seated. Turn the key switch to the ON position. |
| Motor not assisting | Low battery; Pedal assist level set to zero; Brake levers engaged. | Charge battery. Increase pedal assist level on LCD dashboard. Ensure brake levers are fully released (brakes cut power). |
| Brakes feel weak or noisy | Worn brake pads; Contaminated rotors; Loose caliper. | Inspect and replace brake pads if worn. Clean rotors with disc brake cleaner. Check and tighten caliper bolts. |
| Gear shifting is rough | Dirty or unlubricated chain; Misaligned derailleur. | Clean and lubricate the chain. Adjust the Shimano 7-speed derailleur if necessary (professional service recommended). |
For issues not listed here or if problems persist, please contact customer support.
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | Aairsk Q7 |
| Certification | CE |
| Rated Passenger Capacity | One Seat |
| Style | Luxury Type |
| Max Speed | <25 km/h |
| Range per Power (Assist Mode) | Up to 75 km |
| Wattage | 200 - 250W (Peak) |
| Power Supply | Lithium battery |
| Voltage | 36V |
| Battery Type | 36V 10Ah Removable Lithium Battery |
| Charging Time | 5-6 Hours |
| Motor Type | Brushless |
| Wheel Size | 26“ |
| Tires | 26"x1.95" All-Terrain Fat Tires |
| Frame Material | Aluminum alloy (Carbon Alloy Frame) |
| Derailleur | Shimano 7-Speed Derailleur |
| Brakes | Front and Rear Dual Disc Brakes (with power cut-off) |
| Front Suspension | Yes (70% shock absorption) |
| Folded | No |
| Max Load Capacity | 150 kg |
| Bicycle Weight | 23 kg |
| Recommended Rider Height | 155 - 190 cm |
| Total Length | 170 cm |
| Handlebar Height | 100 cm |
| Wheelbase | 105 cm |
| Seat Height | 80 - 100 cm |
| Top Tube Length | 56 cm |
| Origin | Mainland China |

Figure 7: Aairsk Q7 E-bike dimensions.
9. User Tips
- Throttle Mode: While the Aairsk Q7 primarily uses pedal assist, some models or regional versions may include a throttle. Always check your local regulations regarding throttle use on e-bikes.
- Battery Range: The stated 75km range is for assist mode. Actual range may vary based on terrain, rider weight, assist level, and weather conditions.
- Adjustable Seating: Take advantage of the adjustable seat height (80-100 cm) to find your most comfortable and efficient riding position.
10. Warranty and Support
The Aairsk Q7 E-bike is covered by a manufacturer's warranty. For specific warranty terms, duration, and claim procedures, please refer to the warranty card included with your purchase or contact the seller directly. Keep your proof of purchase for warranty claims.
For technical support, spare parts, or service inquiries, please contact the "Happy Riding Gear Store" or your point of purchase.