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Cybex Aton B2 i-Size

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Cybex Aton B2 i-Size
installation with seat beltISOFIXi-Size standardno ISOFIX baseside protection system (SPS)ADAC
Colour
Weight group
0+ (0 – 13 kg)
ADAC test result
good (1.6 – 2.5) / 1.7 /
i-Size
Age range
1 – 12 months
Installation
seat belt
ISOFIX
Installation
rear facing
Adjustments
headrest height / 11 positions /
belt height
Equipment
no iSOFIX base
removable cover
anatomical cushion
sun canopy
Additional side protection
Harness type
3-point
Weight
3.9 kg
Country of origin
Germany
Official Website
cybex-online.com
Added to E-Catalog
February 2024
P/N
521003589

521003591

521003593

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521003595

The base is not included in the kit.
E-Catalog UK editor, Car Seats
Inna Rokytska, edited 04.08.2026
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Cybex 2026 - new arrivals, bestsellers, and the most relevant models Cybex.
How to Choose a Child Car Seat: Height, Safety Standards, and InstallationWe explain how to choose a child car seat suitable for your child’s age and what to consider when buying one.

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Cybex Aton B2 I-size Car Seat 521003593

Base is not included. CYBEX presents the new Aton B2 i-Size infant car seat.Developed according to the latest safety standard... more, it features Linear Side-impact Protection that reliably protects your baby while traveling.In addition to this, the removable newborn inlay and height-adjustable headrest ensure maximum comfort during your child´s first two years.At 3.9 kg, the Aton B2 i-Size is not only lightweight, but also easy to handle after the ride.It is compatible with CYBEX strollers and other select brands.The foldable USF50+ XXL sun canopy of the Aton B2 i-Size protects against sun and wind even outside the car.With this car seat you and your baby can get safely from A to B from day one.Optimal protection for peace of mind.The latest R129/03 safety standard was the benchmark in the development of the Aton B2 i-Size.Reduces the force of a side-impact.The Linear Side-impact Protection System increases safety in the event of a side-impact collision.In combination with the energy-absorbing shell, it can reduce the force of a side-impact by approximately 25%.Protects your child from sun and wind.The XXL sun canopy is made of UPF50+ fabric that protects your child´s sensitive skin from the sun´s rays.Additionally, the foldable canopy reliably shields from wind when the journey continues outside the car.Grows with your child in the first 24 months.Thanks to the 11-position height-adjustable headrest, the infant car seat grows with your child during the first 24 months.Head, neck and shoulders are supported while the harness automatically and comfortably adapts to each growth spurt.Easy to handle.At only 3.9 kg, the Aton B2 i-Size is easy and uncomplicated to position in the car or to carry before and after the trip.Compatible with strollers.Travel system capability lets you attach the Aton B2 i-Size to any stroller from CYBEX, gb or other select brands.The easy and intuitive mounting of the infant car seat guarantees you a pleasant and smooth onward journey on foot.Protects your baby from the first ride.The removable newborn inlay supports an ergonomically correct position for your baby up to 60 cm.So you can be sure that your child has maximum protection.Age Recommendation:45 - 87 cm.Age group:0+.Isofix:No.Homologation:ECE R129/03.
KidINN
Delivery: in United Kingdom
Report
£115.99
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Cybex Aton B2 I-size Car Seat 521003595

Base is not included. CYBEX presents the new Aton B2 i-Size infant car seat.Developed according to the latest safety standard... more, it features Linear Side-impact Protection that reliably protects your baby while traveling.In addition to this, the removable newborn inlay and height-adjustable headrest ensure maximum comfort during your child´s first two years.At 3.9 kg, the Aton B2 i-Size is not only lightweight, but also easy to handle after the ride.It is compatible with CYBEX strollers and other select brands.The foldable USF50+ XXL sun canopy of the Aton B2 i-Size protects against sun and wind even outside the car.With this car seat you and your baby can get safely from A to B from day one.Optimal protection for peace of mind.The latest R129/03 safety standard was the benchmark in the development of the Aton B2 i-Size.Reduces the force of a side-impact.The Linear Side-impact Protection System increases safety in the event of a side-impact collision.In combination with the energy-absorbing shell, it can reduce the force of a side-impact by approximately 25%.Protects your child from sun and wind.The XXL sun canopy is made of UPF50+ fabric that protects your child´s sensitive skin from the sun´s rays.Additionally, the foldable canopy reliably shields from wind when the journey continues outside the car.Grows with your child in the first 24 months.Thanks to the 11-position height-adjustable headrest, the infant car seat grows with your child during the first 24 months.Head, neck and shoulders are supported while the harness automatically and comfortably adapts to each growth spurt.Easy to handle.At only 3.9 kg, the Aton B2 i-Size is easy and uncomplicated to position in the car or to carry before and after the trip.Compatible with strollers.Travel system capability lets you attach the Aton B2 i-Size to any stroller from CYBEX, gb or other select brands.The easy and intuitive mounting of the infant car seat guarantees you a pleasant and smooth onward journey on foot.Protects your baby from the first ride.The removable newborn inlay supports an ergonomically correct position for your baby up to 60 cm.So you can be sure that your child has maximum protection.Age Recommendation:45 - 87 cm.Age group:0+.Isofix:No.Homologation:ECE R129/03.
KidINN
Delivery: in United Kingdom
Report
£121.99
Buy in shop

Cybex Aton B2 I-size Car Seat 521003591

Base is not included. CYBEX presents the new Aton B2 i-Size infant car seat.Developed according to the latest safety standard... more, it features Linear Side-impact Protection that reliably protects your baby while traveling.In addition to this, the removable newborn inlay and height-adjustable headrest ensure maximum comfort during your child´s first two years.At 3.9 kg, the Aton B2 i-Size is not only lightweight, but also easy to handle after the ride.It is compatible with CYBEX strollers and other select brands.The foldable USF50+ XXL sun canopy of the Aton B2 i-Size protects against sun and wind even outside the car.With this car seat you and your baby can get safely from A to B from day one.Optimal protection for peace of mind.The latest R129/03 safety standard was the benchmark in the development of the Aton B2 i-Size.Reduces the force of a side-impact.The Linear Side-impact Protection System increases safety in the event of a side-impact collision.In combination with the energy-absorbing shell, it can reduce the force of a side-impact by approximately 25%.Protects your child from sun and wind.The XXL sun canopy is made of UPF50+ fabric that protects your child´s sensitive skin from the sun´s rays.Additionally, the foldable canopy reliably shields from wind when the journey continues outside the car.Grows with your child in the first 24 months.Thanks to the 11-position height-adjustable headrest, the infant car seat grows with your child during the first 24 months.Head, neck and shoulders are supported while the harness automatically and comfortably adapts to each growth spurt.Easy to handle.At only 3.9 kg, the Aton B2 i-Size is easy and uncomplicated to position in the car or to carry before and after the trip.Compatible with strollers.Travel system capability lets you attach the Aton B2 i-Size to any stroller from CYBEX, gb or other select brands.The easy and intuitive mounting of the infant car seat guarantees you a pleasant and smooth onward journey on foot.Protects your baby from the first ride.The removable newborn inlay supports an ergonomically correct position for your baby up to 60 cm.So you can be sure that your child has maximum protection.Age Recommendation:45 - 87 cm.Age group:0+.Isofix:No.Homologation:ECE R129/03.
KidINN
Delivery: in United Kingdom
Report
£121.99
Buy in shop

Cybex Aton B2 I-size Incl. Base One Car Seat 521004435

CYBEX presents the new Aton B2 i-Size infant car seat.Developed according to the latest safety standard, it features Linear S... moreide-impact Protection that reliably protects your baby while traveling.In addition to this, the removable newborn inlay and height-adjustable headrest ensure maximum comfort during your child´s first two years.At 3.9 kg, the Aton B2 i-Size is not only lightweight, but also easy to handle after the ride.It is compatible with CYBEX strollers and other select brands.The foldable USF50+ XXL sun canopy of the Aton B2 i-Size protects against sun and wind even outside the car.With this car seat you and your baby can get safely from A to B from day one.The Base One is the secure base for the Aton S2 i-Size and Aton B2 i-Size baby car seats that adds extra safety and stability - thanks to individually rotatable ISOFIX connectors and a height-adjustable load leg.Optimal protection for peace of mind.The latest R129/03 safety standard was the benchmark in the development of the Aton B2 i-Size.The infant car seat and matching Base One are approved to the latest standards, have i-Size compatibility and have undergone extended side-impact testing.Reduces the force of a side-impact.The Linear Side-impact Protection System increases safety in the event of a side-impact collision.In combination with the energy-absorbing shell, it can reduce the force of a side-impact by approximately 25%.Protects your child from sun and wind.The XXL sun canopy is made of UPF50+ fabric that protects your child´s sensitive skin from the sun´s rays.Additionally, the foldable canopy reliably shields from wind when the journey continues outside the car.Grows with your child in the first 24 months.Thanks to the 11-position height-adjustable headrest, the infant car seat grows with your child during the first 24 months.Head, neck and shoulders are supported while the harness automatically and comfortably adapts to each growth spurt.Easy to handle.At only 3.9 kg, the Aton B2 i-Size is easy and uncomplicated to position in the car or to carry before and after the trip.Compatible with strollers.Travel system capability lets you attach the Aton B2 i-Size to any stroller from CYBEX, gb or other select brands.The easy and intuitive mounting of the infant car seat guarantees you a pleasant and smooth onward journey on foot.Protects your baby from the first ride.The removable newborn inlay supports an ergonomically correct position for your baby up to 60 cm.So you can be sure that your child has maximum protection.
KidINN
Delivery: in United Kingdom
Report
£185.49
Buy in shop

Cybex Aton B2 I-size Incl. Base One Car Seat 521004433

CYBEX presents the new Aton B2 i-Size infant car seat.Developed according to the latest safety standard, it features Linear S... moreide-impact Protection that reliably protects your baby while traveling.In addition to this, the removable newborn inlay and height-adjustable headrest ensure maximum comfort during your child´s first two years.At 3.9 kg, the Aton B2 i-Size is not only lightweight, but also easy to handle after the ride.It is compatible with CYBEX strollers and other select brands.The foldable USF50+ XXL sun canopy of the Aton B2 i-Size protects against sun and wind even outside the car.With this car seat you and your baby can get safely from A to B from day one.The Base One is the secure base for the Aton S2 i-Size and Aton B2 i-Size baby car seats that adds extra safety and stability - thanks to individually rotatable ISOFIX connectors and a height-adjustable load leg.Optimal protection for peace of mind.The latest R129/03 safety standard was the benchmark in the development of the Aton B2 i-Size.The infant car seat and matching Base One are approved to the latest standards, have i-Size compatibility and have undergone extended side-impact testing.Reduces the force of a side-impact.The Linear Side-impact Protection System increases safety in the event of a side-impact collision.In combination with the energy-absorbing shell, it can reduce the force of a side-impact by approximately 25%.Protects your child from sun and wind.The XXL sun canopy is made of UPF50+ fabric that protects your child´s sensitive skin from the sun´s rays.Additionally, the foldable canopy reliably shields from wind when the journey continues outside the car.Grows with your child in the first 24 months.Thanks to the 11-position height-adjustable headrest, the infant car seat grows with your child during the first 24 months.Head, neck and shoulders are supported while the harness automatically and comfortably adapts to each growth spurt.Easy to handle.At only 3.9 kg, the Aton B2 i-Size is easy and uncomplicated to position in the car or to carry before and after the trip.Compatible with strollers.Travel system capability lets you attach the Aton B2 i-Size to any stroller from CYBEX, gb or other select brands.The easy and intuitive mounting of the infant car seat guarantees you a pleasant and smooth onward journey on foot.Protects your baby from the first ride.The removable newborn inlay supports an ergonomically correct position for your baby up to 60 cm.So you can be sure that your child has maximum protection.
KidINN
Delivery: in United Kingdom
Report
£185.49
Buy in shop

Cybex Aton B2 I-size Car Seat 521004431

base is not includedCYBEX presents the new Aton B2 i-Size infant car seat.Developed according to the latest safety standard,... moreit features Linear Side-impact Protection that reliably protects your baby while traveling.In addition to this, the removable newborn inlay and height-adjustable headrest ensure maximum comfort during your child´s first two years.At 3.9 kg, the Aton B2 i-Size is not only lightweight, but also easy to handle after the ride.It is compatible with CYBEX strollers and other select brands.The foldable USF50+ XXL sun canopy of the Aton B2 i-Size protects against sun and wind even outside the car.With this car seat you and your baby can get safely from A to B from day one.The latest R129/03 safety standard was the benchmark in the development of the Aton B2 i-Size.Reduces the force of a side-impact.The Linear Side-impact Protection System increases safety in the event of a side-impact collision.In combination with the energy-absorbing shell, it can reduce the force of a side-impact by approximately 25%.Protects your child from sun and wind.The XXL sun canopy is made of UPF50+ fabric that protects your child´s sensitive skin from the sun´s rays.Additionally, the foldable canopy reliably shields from wind when the journey continues outside the car.Grows with your child in the first 24 months.Thanks to the 11-position height-adjustable headrest, the infant car seat grows with your child during the first 24 months.Head, neck and shoulders are supported while the harness automatically and comfortably adapts to each growth spurt.Easy to handle.At only 3.9 kg, the Aton B2 i-Size is easy and uncomplicated to position in the car or to carry before and after the trip.Compatible with strollers.Travel system capability lets you attach the Aton B2 i-Size to any stroller from CYBEX, gb or other select brands.The easy and intuitive mounting of the infant car seat guarantees you a pleasant and smooth onward journey on foot.Protects your baby from the first ride.The removable newborn inlay supports an ergonomically correct position for your baby up to 60 cm.So you can be sure that your child has maximum protection.
KidINN
Delivery: in United Kingdom
Report
£185.49
Buy in shop

Cybex Eos BLK TS Aton B2 UK RB 522003823

Amazon.co.uk
Delivery: in United Kingdom
Report
£316.58
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High Safety

The Cybex Aton B2 i-Size is designed for children up to one year old, with a height from 45 to 87 cm and a weight up to 13 kg.

Spacious Seat

The spacious seat ensures a comfortable fit even in winter clothing. An anatomical insert is used for newborns, providing secure head support with a soft pillow. The headrest can be adjusted in 11 positions.

Fixation Methods

The car seat is secured with the vehicle's seat belts, but an Isofix base can be purchased separately. A foldable handle is provided for carrying.

Advanced Ergonomics

The seat is equipped with a sun canopy, a side impact protection system L.S.P., and attachments for installation on stroller frames. Independent tests by ADAC methodology gave it a "Good" rating.

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