The Protone is probably the most advanced helmet in the current Kask programme. Technically innovative and with a unique look. Developed in collaboration with the successful Team Sky, the Protone cycling helmet sets standards in terms of ventilation, heat dissipation and aerodynamics. Thanks to the large openings, the contact surface to the head is greatly reduced. At the same time, an internal substructure holds the helmet together in the event of a fall.
Colour | Brown |
Bike helmet type | Racing bike helmet |
Bike helmet size | M |
Head circumference | 52 - 58 cm |
Helmet features | In-Mold |
Item number | 55652372 |
Manufacturer | Kask |
Category | Bike helmets |
Manufacturer No. | CHE00097-495-M |
Release date | 5.3.2025 |
External links |
Colour | Brown |
Exact colour description | Espresso Brown Matt |
Material group | Plastic |
Material | Polycarbonate shell, Polystyrene GAP foam |
Target group | Men, Women |
Age group | Adults |
Bike helmet type | Racing bike helmet |
Bike helmet size | M |
Head circumference | 52 - 58 cm |
Helmet shape | Classic |
Helmet features | In-Mold |
Air vents | 20x |
Helmet fastener | Plug cap |
CO₂ emissions | 0.87 kg |
Climate contribution | CHF 0.11 |
Scope of delivery | Helm |
Weight | 230 g |
Length | 36.50 cm |
Width | 23 cm |
Height | 20 cm |
Weight | 798 g |
How often does a product of this brand in the «Bike helmets» category have a defect within the first 24 months?
Source: Digitec GalaxusHow many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?
Source: Digitec GalaxusHow often is a product of this brand in the «Bike helmets» category returned?
Source: Digitec GalaxusWeighing in at 236 grammes, the Kask Protone Icon is by far the lightest helmet in this comparison. It offers excellent comfort even when worn for long periods. The smooth-running, fine-adjustment system with a large rubberised dial allows for very precise fine-tuning. Ventilation is also of a very high standard...
