Research and development enjoy a high priority status at CARBULL. The analysis of crash helmets and accidents in day to day life as well as knowledge from continuous testing and laboratory results make each CAIRBULL helmet a product with the highest safety margins.


UVP         $ 54


The trendy Castle combines a particularly PC shell with an extremely large number of ventilation openings.

This makes the Castle a perfect everyday helmet for the city due to its optimal ventilation and the outstanding safety.

As a cyclist in the city you have other demands on a helmet than a racing cyclist or mountain biker. A helmet for the city should be practical, comfortable, stylish, modern and above all safe. The youth and adult helmet Castle convinces with great comfort while wearing and can be easily adjusted to your own head size with the finely adjustable adjustment system.


■     Air channel technology

■     Inmold technology

■     Light weight

■     Clean Tex pads

■     LFS - Light Fit System

■     Rearlight

■     Zoom Evo Easy–side to middle slider 

      non-slip adjustment

■     Integrated intake anti-insects net 

■     Chinpad

■     Removable ECO-leather visor


■     In-mold construction

■     Zoom Evo Easy – fine adjustment system with 

      a non-slip adjusting wheel

■     Size adjustment by means of a half ring 

      made from particularly hard-wearing and 

      slightly malleable plastic for optimal 

      stability and form fitting

■     Large, highly mounted and integrated LED 

      tail light with 180° visibility

■     Optimum ventilation for this helmet type with 

      13 air intakes and 5 air outlets

■     Removable and washable padding with 

      maximum wearing comfort

■     Soft straps that are simple to fit thanks to 

      practical strap adjusters

■     Removable ECO-leather visor

■     High visibility due to reflectors

■     Full protection from insects  


     S-M (54-58cm)


A combination of technology, unparalleled comfort, lightness, aerodynamics, ventilation and superior protection. Cairbull helmets are manufactured using state-of-the-art materials and technology and certified worldwide in accordance with the strictest safety standards.