1. Product Overview

The Fanttik X8 Ace Bike Pump is a portable, cordless electric tire inflator designed for various bicycle types, offering fast and precise inflation with an auto-stop function. Its compact size and durable design make it ideal for on-the-go use.
Key Features:
- JET-INFLATE & Auto Stop: Inflates a road bike tire in approximately 16 seconds, with a precision of ±1 PSI and automatic shut-off at preset pressure.
- Palm-Sized Design: Compact dimensions (4.33 x 3.35 x 1.77 inches) for easy portability and single-handed operation.
- Designed for Bicycles: Features four preset modes for Fat, Mountain, City, and Road bikes, plus a custom mode up to 150 PSI.
- Unique Fabric Art: Water-resistant, oil-resistant, and scratch-resistant exterior for enhanced durability.
- Built-in LED Light: Provides illumination for nighttime use and emergencies.
2. What's in the Box

The Fanttik X8 Ace Bike Pump package includes the following items:
- 1 x Fanttik X8 Ace Bike Pump
- 1 x Air Tube (with Schrader Valve)
- 1 x Presta Valve Adaptor
- 1 x Ball Needle Adapter
- 1 x USB-C Charging Cable
- 1 x User Manual
3. Setup
3.1 Charging the Device

Before first use, fully charge the Fanttik X8 Ace Bike Pump. Connect the provided USB-C charging cable to the pump's charging port and a compatible USB power adapter (not included). The battery indicator on the display will show charging progress. A full charge takes approximately 50 minutes.
3.2 Attaching the Air Tube and Adapters

Screw the air tube firmly onto the pump's air outlet. Depending on your tire valve type or inflation need, attach the appropriate adapter to the other end of the air tube:
- Schrader Valve: The air tube comes with a built-in Schrader valve connector. Simply screw it onto the tire valve.
- Presta Valve: Screw the Presta valve adapter onto the Schrader valve connector of the air tube, then attach it to your Presta valve.
- Ball Needle: Screw the ball needle adapter onto the Schrader valve connector of the air tube.
4. Operating Instructions
4.1 Powering On/Off
Press and hold the power button (①) for 2 seconds to turn the pump on or off.
4.2 Selecting Inflation Mode

Press the mode button (②) to cycle through the preset inflation modes:
- Fat Bike Mode: 5-20 PSI
- Mountain Bike Mode: 5-80 PSI
- City Bike Mode: 10-95 PSI
- Road Bike Mode: 30-145 PSI
- Manual Mode: 0-150 PSI (for custom pressure settings)
The selected mode and its default pressure range will be displayed on the screen.
4.3 Adjusting Pressure
In any mode, use the '+' and '-' buttons to adjust the target pressure. The display will show the current pressure and the target pressure. The pump operates with a precision of ±1 PSI.
4.4 Starting Inflation

Once the air tube is securely connected to the valve and the desired pressure is set, press the power button (①) to begin inflation. The pump will automatically stop when the preset pressure is reached.
4.5 Using the LED Light

Press the light button (③) to turn the built-in LED light on or off. This feature is useful for inflating tires in low-light conditions or during emergencies.
4.6 Inflation Performance

The following table illustrates the approximate inflation performance when the pump is fully charged:
| Tire Type | Pressure | Inflating Time | Inflating Number |
|---|---|---|---|
| 700C23 | 80-100PSI | 16 sec | 15 |
| 700C23 | 0-100PSI | 50 sec | 5 |
| 26x1.95 | 45-60PSI | 33 sec | 6 |
| 26x1.95 | 0-60PSI | 105 sec | 2 |
| 29x2.10 | 45-60PSI | 57 sec | 3 |
| 29x2.10 | 0-60PSI | 206 sec | 2 |
5. Maintenance
- Cleaning: Wipe the pump with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners. Ensure the device is dry before storage.
- Storage: Store the pump in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, charge the pump at least once every three months if not in regular use. Avoid fully depleting the battery for extended periods.
- Air Tube & Adapters: Keep the air tube and adapters clean and free from debris. Store them properly to prevent damage.
6. Troubleshooting
If you encounter issues with your Fanttik X8 Ace Bike Pump, please refer to the common problems and solutions below:
| Problem | Possible Cause | Solution |
|---|---|---|
| Pump does not turn on. | Low battery; Power button not pressed correctly. | Charge the pump fully. Press and hold the power button for 2 seconds. |
| Inflation is slow or stops prematurely. | Low battery; Air tube/adapter not securely connected; Obstruction in air path. | Ensure pump is fully charged. Check all connections for tightness. Clear any debris from the air tube or valve. |
| Inaccurate pressure reading. | Improper connection to valve; Sensor calibration issue. | Ensure the air tube is tightly screwed onto the valve. Disconnect and reconnect. If issues persist, contact customer support. |
| Pump does not inflate while charging. | This model does not support simultaneous charging and inflation. | Disconnect the charging cable before operating the pump. |
For further assistance, please contact Fanttik customer support.
7. Specifications
| Feature | Detail |
|---|---|
| Model Name | X8 ACE |
| Brand | Fanttik |
| Color | Black |
| Material | Plastic or lightweight metal alloy |
| Product Dimensions (LxWxH) | 3.35" x 1.77" x 4.33" |
| Item Weight | 0.58 Kilograms |
| Power Source | Battery Powered |
| Air Flow Capacity | 17 LPM |
| Maximum Pressure | 150 PSI |
| Operation Mode | Automatic |
8. Warranty and Support
The Fanttik X8 Ace Bike Pump comes with a 1-year limited warranty from the date of purchase. This warranty covers manufacturing defects and workmanship under normal use.
For warranty claims, technical support, or any inquiries regarding your product, please contact Fanttik customer service through their official channels or visit their brand store:





