Cybex Sirona T i-Size car seat – 360° rotation and convertible safety from birth

The Cybex Sirona T i-Size car seat is designed to offer maximum safety, extended comfort and ease of use from birth through the first years of growth. Part of the modular CYBEX T-Line system, it allows rearward-facing use for an extended period and simplifies daily handling thanks to the 360° rotation, ideal for positioning your child effortlessly.

Product Fact Card – At a glance

• Type: convertible car seat

• Approval: i-Size (R129)

• Rotation: 360°

• Use: from birth to the first years

• Installation: Base T ISOFIX

• System: CYBEX T-Line

• Brand: CYBEX

Real benefits for your child

Designed to protect and accompany your child over time.

• Greater safety travelling rearward-facing

• Ergonomic position and correct support for head and back

• High comfort even on longer journeys

• Reliable protection in the event of impact

Real benefits for parents

Rotation makes every use simpler:

• Placing and lifting the child out effortlessly

• Smooth and controlled rotation

• Stable and intuitive installation

• Peace of mind thanks to correct-fitting indicators

Who it's recommended for

• Families looking for a convertible and long-lasting car seat

• Parents mindful of rearward-facing safety

• Those who want practicality without compromising protection

• Ideal as the main car seat

How to use it

1. Install the Base T ISOFIX in the car

2. Attach the Sirona T seat

3. Rotate the seat to place your child

4. Lock the desired travel direction

Essential technical specifications

• Approval: i-Size R129

• Installation system: Base T ISOFIX

• Rotation: 360°

• Use: from birth to the first years

• System: CYBEX T-Line

• Maintenance: removable and washable covers

FAQ – Frequently Asked Questions

Can the Sirona T be used from birth?
Yes, it is designed for use from the very first days with dedicated inserts.

Is the Base T ISOFIX mandatory?
Yes, the seat works exclusively with Base T ISOFIX.

How long can it be used rearward-facing?
It is recommended for as long as possible, in accordance with i-Size regulations.

Is the rotation safe?
Yes, the locking system ensures maximum safety during the journey.