Group 1 — Versatile Road & Gravel

Models: Protone Icon, Mojito³, Valegro, Utopia, Caipi, Wasabi, Urban, Sintesi

Size M is the best-selling (covers the majority of adults). Size S is available for smaller heads — its Octo Fit system covers a wide range.

Group 2 — Aero & Triathlon

Models: Bambino Pro, Bambino Pro Evo, Mistral, Mistral LW, Beluga

Aerodynamic helmets for time trials and triathlons. Adjustment range is more limited than road models — precise measurement is essential.

Group 3 — Enduro MTB (Defender)

Models: Defender

Enduro MTB helmet with reinforced protection. Size grid is finer than road helmets for precise adjustment on descents.

Group 4 — Technological Urban (Urban R)

Models: Urban R

Urban helmet with integrated visor and adjustable ventilation. Sizes overlap — choose the size corresponding to the middle of your measurement.

Group 5 — Lightweight Cross-Country MTB

Models: Moebius, Elite, Rex, Rapido, Caipi

These MTB/XC models offer two sizes with Octo Fit system for a wide adjustment range.

Group 6 — Urban Lifestyle

Model: Urban Lifestyle — high-end urban helmet with tinted visor and vegan leather chin strap

Size M is the most common and covers the majority of adults. Available in many colors (glossy and matte). A unique size "51/58" is also offered depending on the vintage — check the product sheet.

Elemento — Road / Gravel / MTB XC

KASK's high-end helmet, designed in collaboration with the INEOS Grenadiers team. It uses Fluid Carbon 12, a composite technopolymer that absorbs more energy than traditional materials and distributes the force evenly across the entire shell. The internal Multipod padding is 3D printed to optimize the management of linear and rotational impacts. Exceptional in terms of ventilation and aerodynamics.

Weight: ~250 g (size M). Certifications: CE EN1078, CPSC, AS/NZS 2063.

Protone Icon — Road / Gravel / CX

KASK's reference helmet, ideal for road, gravel, cyclo-cross, and cross-country. Every detail has been rethought: advanced anti-fragmentation internal structure, seamless assembly for a sleek look and improved aerodynamics. Octo Fit+ system with vertical stabilizer at the nape. Eco-friendly Lux leather chin strap, washable Blue Tech padding.

Weight: ~230 g (size M). Integrated reflector at the back.

Mojito³ — Road / Gravel / MTB

A legendary helmet at KASK, recognizable by its characteristic shape. The Mojito³ is the ideal alliance of performance, comfort, and style. With its exclusive Blue Tech padding and ergonomic Octo Fit system, it offers precise support for all head shapes. Weighs only 230 g. Hypoallergenic and washable chin strap.

Weight: 230 g (size M). Available in many colors.

Valegro — Ventilated Road

Designed to provide the most comfortable ventilation uphill or downhill, even in high heat. Lighter than the Protone Icon, with more vents for superior airflow. Ideal for long summer outings in the mountains. Its aerodynamics is slightly inferior to the Protone, compensating with unmatched ventilation.

Recommended for outings longer than 3 hours in hot weather. Partner of climbers.

Sintesi — Versatile / Affordable

The ideal helmet for urban cyclists, gravel adventurers, road lovers, or trail enthusiasts. The Sintesi combines lightness, comfort, and maximum protection on all terrains with a sleek design. PSE + polycarbonate shell, breathable antibacterial antistatic Blue Tech padding, Ergo Fit system. Weighs only 230 g. Available in 11 colors.

Excellent value for money in the KASK range. Ideal for the first KASK helmet.

Urban R — Urban Cyclist

Designed for urban explorers with adjustable ventilation to perfectly control airflow. Interchangeable One-Move Switch visor in 4 versions (Light Smoke, Clear, Orange, Blue). Silver Plus antibacterial and antimicrobial internal padding. Two thicknesses of padding for sunglasses.

Comes with included Light Smoke UV400 visor. Removable and washable padding.

Wasabi — Gravel / MTB

Versatile Gravel and MTB helmet, designed for adventure off-road outings. Combines reinforced protection, effective ventilation, and Octo Fit system to adapt to all head shapes. Sporty design with removable visor.

Available in 6 colors. Compatible with KOO glasses.

Defender — Enduro MTB

Enduro MTB helmet with ABS polycarbonate shell, designed for sporty descents and trail riding. Reinforced protection on the sides and back. Removable visor with multiple positions. Lux leather strap, glasses retention clip.

Weight: 310 g. 4 sizes available (S to XL) for fine adjustment on descents.

Urban Lifestyle — Urban & Lifestyle

The reference for high-end urban bicycle helmets according to KASK. The model that has imposed Italian style in cities. Outer shell in silkscreened polycarbonate available in a very wide range of colors (glossy: black, white, champagne, blue, petrol blue, green, red, pink, silver, slate, gray, burgundy…; matte: anthracite, matte silver). Interior in polystyrene with covered shell ring. Washable CoolMax anti-sweat padding. Vegan leather chin strap. Removable tinted visor included to protect against wind and insects without glasses. Four vents on top.

Sizes: M (52-58 cm) and L (59-62 cm). Also sometimes available in a unique size 51-58 cm depending on the vintage — check the product sheet. Ideal for bike commuters and demanding urbanites.

Bambino Pro / Mistral — Aero TT

Aerodynamic helmets designed for time trials and triathlons. Integral shape without vents to minimize aerodynamic drag. Integrated adjustment system with continuous tightening. Adjustment range is more limited than road helmets — precise head size measurement is essential.

Reserved for competitive TT use. Not recommended for everyday use.

Octo Fit

Retention system with dial adjustment and 360° circumferential adjustment and height adjustment. Covers a range of several centimeters, making each KASK size very versatile. The rubberized dial allows for precise micro-adjustments even while riding.

Octo Fit +

Advanced version of Octo Fit, present on high-end models (Protone Icon, Elemento, Nirvana, Utopia Y). Adds a vertical stabilizer at the nape for ergonomic neck support and better helmet balance, especially in aero position.

Ergo Fit

Adjustment system present on the Sintesi. Redesigned dial for better grip and easy micro-adjustments. Offers comfort and optimal fit on uneven terrain.

Blue Tech

Exclusive KASK padding material. Highly breathable, with antibacterial and antistatic properties. Removable and washable on most models. Complemented by front pads for sweat management.

Multipod

3D printed internal padding present on the Elemento. The elastomer used allows for better resistance to energy generated by linear and rotational impacts, while improving heat evacuation compared to traditional foams.

Fluid Carbon 12

Exclusive composite technopolymer of the Elemento. Absorbs more energy upon impact than traditional EPS materials and distributes the force more uniformly across the helmet. Allows for larger internal channels for better ventilation while reducing the outer surface for better aerodynamics.

WG11 Rotational Impact Test

Exclusive KASK testing protocol developed to measure helmet performance against rotational impacts, in addition to standard linear shock tests. Tested by an independent certified laboratory. All KASK helmets are developed in accordance with this protocol.

One-Move Switch (Urban R)

One-click visor replacement system on the Urban R. Allows changing the visor in seconds according to lighting conditions. 4 accessory visors available: Light Smoke, Clear, Orange, Blue.