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Cybex Sirona Z I-Size Plus Car Seat - Deep Black

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SKU: L58-CYBEX-003-01-520001041

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Suitable from newborn to 18kg/4 years, for parents arents who want maximum safety for their child need products that meet their expectations in every way. With the CYBEX Sirona Z i-Size we have set new standards in the area of side- and front-impact protection, merging them into a car seat that outshines all that came before it. The Sirona Z i-Size is a car seat in the CYBEX Z-Line that can be rotated a full 360°. It offers simple doorside boarding of your child and is easy to switch between rear-facing and forward-facing position. Its 12-step adjustable headrest and 5 reclining positions make this seat extra ergonomic.


features & benefits

  • 360° rotation mechanism
  • Rearward Facing Car Seat
  • Integrated Linear Side-impact Protection
  • Height adjustable headrest
  • One-hand recline and rotation function
  • 5 point harness system with energy absorbing shell.
  • Max. 18 kg
  • Children with height between 45 cm - 105 cm
  • From birth up to approx. 4 years
  • Engineered in Germany

whats in the box

  • 1x cybex sirona carseat
  • 1x user guide
  • base sold individually*

Learn more . .

Rotating mechanism
The innovative 360° rotating mechanism provides a comfortable entry and exit position with less strain on parent´s backs. In addition it makes switching between rearward and forward-facing position easy.

Rear-facing car seat
A rear-facing car seat reduces the risk of injury in a head-on collision by more than 80% when compared to a forward-facing system car seat. Tests show that the force of an impact during a front crash is distributed evenly over a large area. CYBEX recommends rear-facing travel for children up to 105 cm, approx. 4 years.

Integrated Linear Side-impact Protection
The integrated L.S.P. System of the Sirona Z i-Size offers increased safety in the event of a side-impact collision. It reduces the force of a side-impact in combination with the energy-absorbing shell by approximately 25%.

One-hand recline and rotation function
The smart one-hand recline and rotation function makes it easy for parents to adjust the seat while keeping one hand free. For comfortable sleeping and traveling, the Sirona Z i-Size car seat offers 5 reclining positions when rear-facing and 3 reclining positions when forward facing.

Height-adjustable headrest
The adjustable headrest offers 12 positions for a customized adjustment as your child grows.

Energy Reduction Technology (ER-Tech)
The Energy Reduction Technology of the Sirona Z i-Size offers increased safety for your child in the forward-facing position in the event of a head-on collision. The "ER-Tech" reduces the forces on the neck of a child during a front crash by more than 20%, compared to other existing 5-point harness systems.

Two-Click Installation with ISOFIX
A two-click installation with ISOFIX allows for simple installation and guarantees increased safety. In combination with the Base Z the car seat is secured using the car's ISOFIX system and requires no further fastening. An installation indicator also helps to prevent a possible misuse.

Modular System - One Base, Two Car Seats
Stay flexible – as part of the Z-Line Modular System, the Sirona Z i-Size and the Cloud Z i-Size both fit onto the Base Z for a continuously safe ride from birth up to 105 cm, approx. 4 years.

5-Point harness system
Secure your child in the Sirona Z i-Size with ease, thanks to the central 5-point harness system.

Energy absorbing shell
The energy-absorbing shell of the Sirona Z i-Size absorbs the forces of an impact and protectively covers the child.

Belt Holder
The magnetic belt holders make taking your child out of the seat easy.

How To Use
CYBEX Sirona Z i-Size Car Seat Tutorial

How To: Install Sirona Z i-Size


  • length - 42cm
  • width - 53-61cm (adjustable)
  • height - 68.5
  • weight - 10kg
  • suitable from - 9 months / 9 kg
  • suitable until - 36kg / 12 years
  • car seat group: 1,2,3


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