The CYCPLUS AS2 Ultra is an ultra-compact and lightweight electric bicycle tire inflator designed for cyclists who want fast, precise, and reliable inflation without carrying a traditional hand pump. Weighing just 87g, it easily fits into a jersey pocket, saddle bag, cycling backpack, or even a small everyday carry kit.

With a 120 PSI maximum pressure, automatic pressure control, digital display, dual-valve compatibility, USB Type-C charging, and a powerful brushless motor, the AS2 Ultra is an excellent choice for road cycling, MTB, commuting, racing, and indo trainer or indoor cycling setups.

Key Features

• Ultra-Lightweight – Only 87g
  One of the biggest advantages of the AS2 Ultra is its extremely low weight. Carry it on every ride without adding unnecessary bulk.
• 120 PSI Maximum Pressure
  Capable of reaching up to 120 PSI, making it suitable for high-pressure road bike tires as well as MTB and other bicycle tires.
• Fast Inflation Performance
  The AS2 Ultra can inflate a 700C25 tire from 0 to 80 PSI in approximately 50 seconds, depending on conditions.
• Automatic Pressure Control
  Set your desired pressure and let the pump do the work. The pump automatically stops when the preset pressure is reached, helping prevent over-inflation.
• ±1 PSI Pressure Accuracy
  The integrated digital display allows you to monitor pressure with approximately ±1 PSI accuracy.
• Dual Valve Support
  Compatible with both Presta and Schrader valves, making it suitable for a wide range of bicycles.
• Extension Hose Included
  The included hose makes it easier to access small wheels and tight valve positions. It is particularly useful when working with sensitive TPU valves.
• Compact Pocket-Sized Design
  Measuring only 65 × 47.5 × 28 mm, the AS2 Ultra can easily fit inside a jersey pocket, saddle bag, backpack, or cycling tool kit.
• Fast Type-C Charging
  Recharge the pump using the included USB Type-C cable. Full charging can take approximately 25 minutes under the stated conditions.
• Thermal-Insulated Design
  The included silicone insulation case helps provide protection from heat during operation.
• Splash-Proof Pouch
  A splash-proof storage pouch is included to help protect the pump while carrying it during outdoor rides.
• Brushless Motor
  The brushless motor design helps deliver efficient and rapid inflation while keeping the pump compact and lightweight.
• Ideal Emergency Cycling Pump
  Keep it with you for punctures, pressure adjustments, roadside emergencies, races, and long-distance cycling.

Fast & Precise Inflation

The CYCPLUS AS2 Ultra combines a compact design with impressive inflation performance. It can reach up to 120 PSI, making it particularly useful for road cyclists who need higher tire pressures.

For example:

Inflation time and number of uses can vary depending on tire size, starting pressure, temperature, valve type, and battery condition.

Product Specifications

What's Included in the Box?

• CYCPLUS AS2 Ultra Inflator × 1
• Presta Valve Converter × 1
• Silicone Case × 1
• Extension Hose × 1
• Splash-Proof Pouch × 1
• Seal Part × 1
• USB Charging Cable × 1
• Ball Needle × 1

Designed for Every Ride

The AS2 Ultra is small enough to carry on virtually every cycling trip but powerful enough to handle common tire-pressure emergencies. Whether you're heading out for a road ride, MTB adventure, race, commute, or long-distance cycling trip, the pump provides a convenient alternative to a traditional manual bike pump.

It is also a useful accessory for indo trainer and indoor cycling setups, where maintaining consistent tire pressure can help you keep your training routine ready to go.

Perfect For:

•  Road Cycling
•  Mountain Biking
•  Commuting
•  Cycling Races
•  Tubeless & High-Pressure Bike Tires
•  Indo Trainer / Indoor Cycling
•  Cycling Backpack & Jersey Pocket
•  Emergency Tire Repair Kits
•  Long-Distance Cycling
•  Professional & Amateur Cyclists