CYBEX Base One


The Base One is compatible with the Aton S2 i-Size and the Aton B2 i-Size. Equipped with individually rotatable ISOFIX connectors and a height-adjustable load leg, the Base One adds extra safety and stability to these infant car seats. One-click installation makes it safe and simple to take your car seat in and out of your vehicle, with no further fastening required. Installation indicators also help you get the base set up successfully, letting you know when it’s safe and ready to use.

Key Features

  • Connect your infant car seat fast
  • One-click installation.
  • Safe and effortless installation
  • ISOFIX and adjustable load leg.
  • Easy handling and storage
  • Ultra lightweight and extra compact

Compatible with:

  • Aton S2 i-Size
  • Aton B2 i-Size


  • Length: 610 mm
  • Width: 300 mm
  • Height: 160 mm
  • Weight: 3 .65 kg