1. Introduction
The CYCPLUS Tiny Bicycle Pump AS2 PRO is a compact and powerful electric mini pump designed for efficient tire inflation. This 2025 updated version features enhanced performance with upgraded brushless motors and polymerized lithium batteries. It is compatible with both Presta and Schrader valves, offers a maximum pressure of 120 PSI, and includes an auto-stop function for precise inflation. Its portable design makes it an ideal companion for various bicycles, including E-Bikes, Mountain Bikes, and Road Bikes.
The CYCPLUS Tiny Bicycle Pump AS2 PRO, a compact and lightweight electric pump, is shown held in a person's hand, demonstrating its small size and portability. The digital display shows '120 PSI'.
2. Package Contents
Please verify that all items listed below are included in your package:
- Tire Inflator (CYCPLUS AS2 PRO) 1
- Flexible Hose 1
- Presta Valve Adapter 1
- Ball Needle 1
- Silicone Case 1
- Waterproof Storage Bag 1
- USB Charging Cable 1
- User Manual 1
A comprehensive display of all items included in the CYCPLUS Tiny Bicycle Pump AS2 PRO package.
3. Setup and Charging
3.1 Initial Charging
Before first use, fully charge the CYCPLUS AS2 PRO. Connect the provided USB charging cable to the pump and a compatible USB power source. A full charge takes approximately 30 minutes. The battery indicator on the display will show charging status.
The 2025 updated version of the AS2 PRO, featuring enhanced battery performance and quick charging.
3.2 Valve Compatibility
The pump is compatible with both Schrader and Presta valves. The flexible hose and included Presta valve adapter ensure versatile use.
- For Schrader Valves: Attach the flexible hose directly to the Schrader valve.
- For Presta Valves: First, screw the Presta valve adapter onto the Presta valve, then attach the flexible hose to the adapter.
The digital display of the CYCPLUS Tiny Bicycle Pump AS2 PRO, showing pressure value, battery level, and unit options (BAR & PSI).
4. Operating Instructions
4.1 Powering On/Off
Press and hold the power button to turn the pump on or off. The LED display will illuminate upon activation.
4.2 Setting Desired Pressure
Once powered on, use the '+' and '-' buttons to adjust the target pressure. The large LED screen provides real-time pressure readings and allows for precise setting with an accuracy of 1 PSI. You can switch between PSI and BAR units.
4.3 Connecting to Tire and Inflation
- Ensure the pump is charged and the desired pressure is set.
- Connect the flexible hose to the pump's inflation port.
- Attach the other end of the flexible hose (with or without the Presta adapter) securely to the tire valve.
- Press the inflation button to start pumping. The pump will automatically stop once the preset pressure is reached.
- Carefully disconnect the hose from the valve and the pump.
The CYCPLUS Tiny Bicycle Pump AS2 PRO connected to a bicycle tire valve, illustrating its auto-stop feature.
4.4 Inflation Performance
The AS2 PRO offers rapid inflation. For example, it can refill a 700 x 25C tire from 0-80 PSI in approximately 52 seconds, and inflate it from 0-120 PSI in about 120 seconds.
The CYCPLUS Tiny Bicycle Pump AS2 PRO actively inflating a bicycle tire, demonstrating its powerful and fast inflation capabilities.
4.5 Official Usage Videos
Official CYCPLUS video demonstrating the features of the AS2 Pro electric pump. This video provides a detailed overview and demonstration of the upgraded Tiny E-PUMP AS2 Pro, showcasing its key features and how it operates.
Official CYCPLUS video providing usage guidance for the Tiny E-PUMP AS series. This video offers comprehensive usage guidance for the Cycplus Tiny E-PUMP AS series, detailing step-by-step instructions for inflation and general operation.
5. Maintenance
To ensure the longevity and optimal performance of your CYCPLUS Tiny Bicycle Pump AS2 PRO, follow these maintenance guidelines:
- Cleaning: Wipe the pump exterior with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
- Storage: Store the pump in a cool, dry place away from direct sunlight and extreme temperatures. Use the provided waterproof storage bag for protection.
- Battery Care: For long-term storage, charge the pump to approximately 50% every three months to preserve battery health. Avoid fully discharging the battery frequently.
- Hose and Adapters: Inspect the flexible hose and valve adapters regularly for any signs of wear or damage. Replace if necessary to ensure a proper seal during inflation.
6. Troubleshooting
If you encounter issues with your CYCPLUS Tiny Bicycle Pump AS2 PRO, please refer to the following common troubleshooting tips:
- Pump Not Turning On: Ensure the battery is sufficiently charged. Connect the pump to the USB charging cable and allow it to charge for at least 10-15 minutes before attempting to power on again.
- Pump Not Inflating: Check that the flexible hose is securely connected to both the pump and the tire valve. Ensure the valve is fully open (for Presta valves). Verify that the target pressure is set above the current tire pressure.
- Inaccurate Pressure Reading: Ensure the hose connection to the valve is tight and there are no air leaks. If the issue persists, try recalibrating by turning the pump off and on again.
- Slow Inflation: Check for any obstructions in the hose or valve. Ensure the battery is fully charged, as low battery can affect inflation speed.
- Pump Overheating: The pump may become warm during prolonged use. If it feels excessively hot, turn it off and allow it to cool down before resuming operation.
If these steps do not resolve the issue, please contact CYCPLUS customer support for further assistance.
7. Specifications
| Feature | Specification |
|---|---|
| Model Name | AS2 PRO |
| Item Dimensions (LxWxH) | 2.75 x 1.10 x 1.92 inches (approx.) |
| Weight | 4.23 oz (120g) |
| Maximum Pressure | 120 PSI |
| Pressure Accuracy | 1 PSI |
| Power Source | Battery Powered (Polymerized Lithium) |
| Charging Time | Approx. 30 minutes (full charge) |
| Valve Compatibility | Presta and Schrader |
| Auto Shut-off | Yes |
| Display | LED Large Screen with Real-time Reading |
7.1 Inflation Performance Table
| Tire Type | Pressure Range | Inflating Time | Available Times (Full Charge) |
|---|---|---|---|
| 700C25 | 0-80 PSI / 5.52 bar | 50s | 4 |
| 700C25 | 0-110 PSI / 7.58 bar | 90s | 2 |
| 700C28 | 0-80 PSI / 5.52 bar | 60s | 3 |
| 700C32 | 0-80 PSI / 5.52 bar | 80s | 2 |
| 29x2.2 | 30-50 PSI / 2.07-3.45 bar | 60s | 3 |
| 29x2.2 | 0-30 PSI / 2.07 bar | 70s | 3 |
| 700C45 | 30-50 PSI / 2.07-3.45 bar | 30s | 6 |
| 700C45 | 0-50 PSI / 3.45 bar | 80s | 3 |
A visual comparison highlighting the advantages of the CYCPLUS Tiny E-Pump over traditional manual bike pumps.
8. Warranty and Support
CYCPLUS products are designed for reliability and performance. For warranty information, product registration, or technical support, please refer to the official CYCPLUS website or contact their customer service directly. Keep your purchase receipt as proof of purchase for any warranty claims.
Contact Information:
- Official Website: www.cycplus.com
- Customer Service: Refer to the website for contact details.
