Best Adjustable Bike Helmets in 2026

Fits head sizes: 50-54 cm

8 vents to keep little heads cool

Side-squeeze buckle for easy adjustment

Recommended for children ages 3-5 and Fits head sizes: 48-52 cm

Always take a head measurement. Head sizes and shapes vary, even within an age range. Using a helmet that does not fit can be dangerous

High-impact reflectors for visibility

STYLE & DESIGN - Designed after the tried and true classic bicycle helmet, low profile with great coverage in a variety of colors.

FIT SYSTEM - Our True Fit system for easy one step adjustment every time you ride, it’s that simple.

REFLECTORS - High-impact reflectors for visibility.

Recommended for children age 3-5, but will fit most heads measuring 45-53 cm

Always take a head measurement. Head sizes and shapes can vary, even within an age range. Using a helmet that doesn't fit can be dangerous.

Easy to adjust chin strap

NO-TWIST TRI-GLIDES & X-STATIC AND XT2 PADDING - Quick-adjust fasteners that help keep straps flat and properly positioned. Quick-drying materials, woven with real silver fibers.

MIPS-EQUIPPED & WRAPAROUND PROTECTION - MIPS stands for Multi-directional Impact Protection System, which is a leading slip-plane technology inside the helmet designed to reduce rotational forces that can result from certain impacts. Removable protective chin bar, designed for trail riding adaptability. Attaches with a simple 3-step connection process no tools required.

OVERBROW VENTILATION - Overbrow Ventilation features intake ports on the brow of the helmet to usher in cool air and push it through the air-channel matrix for full-head ventilation.

STYLE & DESIGN - Designed after the tried and true classic bicycle helmet, low profile with great coverage in a variety of colors

FIT SYSTEM - Features our True Fit system for easy one step adjustment every time you ride, it's that simple

PINCH GUARD - The patented Pinch Guard buckles ensures pinch free buckling

STYLE & DESIGN – Designed after the tried and true classic bicycle helmet, low profile with great coverage in a variety of colors.

FIT SYSTEM - Our True Fit system for easy one-step adjustment every time you ride, it’s that simple.

PINCH GUARD – The patented Pinch Guard buckle ensures pinch-free buckling.

True Fit system self-adjusts to a perfect fit

Pinch Guard ensures no-pinch buckling

Stylish and safe, rear reflectors increase visibility

Recommended for children ages 3-5, but will fit MOST heads measuring 48 - 52 cm. NOTE: Head sizes and shapes can vary, even within an age range. Always take a head measurement.

True Fit self-adjusts for perfect fit

High impact reflectors for visibility

FUSION IN-MOLDING POLYCARBONATE SHELL, PROGRESSIVE LAYERING, AND EXPOSED POLYCARBONATE ROLL CAGE - A process pioneered by Bell bonds the helmet's outer shell to the EPS foam liner to create a sturdier helmet. The process of engineering a helmet liner with variable EPS foam densities to better manage the transfer of energies after some impacts.

MIPS-EQUIPPED AND FLOAT FIT RACE (INTEGRATED WITH MIPS) - MIPS stands for Multi-directional Impact Protection System, which is a leading slip-plane technology inside the helmet designed to reduce rotational forces that can result from certain impacts. Custom-fit at the highest performance, Seemlessly integrated with MIPS, and offers three-way adjustability: height, pad width, and tension.

X-STATIC AND XT2 PADDING, NO-TWIST TRI-GLIDES AND SWEAT GUIDE - Quick-drying materials, woven with real silver fibers. Quick-adjust fasteners that help keep straps flat and properly positioned. Sweat Guide pad design pulls moisture away from the brow pad and away from eyewear.

FUSION IN-MOLDING POLYCARBONATE SHELL - A process pioneered by Bell bonds the helmet's outer shell to the EPS foam liner to create a sturdier helmet.

MIPS-EQUIPPED - MIPS stands for Multi-directional Impact Protection System, which is a leading slip-plane technology inside the helmet designed to reduce rotational forces that can result from certain impacts.

FLOAT FIT & NO-TWIST TRI-GLIDES - A minimalist, lightweight fit system with an easy-to-turn rubber overmolded dial for adjustments (integrated with MIPS). Quick-adjust fasteners that help keep straps flat and properly positioned.

Lightweight polycarbonate/ABS shell construction with MIPS energy management system

Fully adjustable Flying Bridge Visor with air intake vents with Velocity Flow Ventilation system for maximum cooling

Removable interior

True fit, 1-step adjustment. High-impact reflectors for visibility

4 vents for superior airflow and cooling

Pinch guard ensures pinch-free buckling

ABS SHELL CONSTRUCTION with Adjustable Visor.

LIGHTWEIGHT FULL-FACE - offers comfort and protection for dirt jump or BMX riders who want a smaller size and profile.

SPECIFICATIONS - Suitable for use on bicycle only. Sizes: X-Small (48-51 cm), Small (52-54 cm), Medium (55-57 cm), and Large (58-60 cm) Sizes. Important: always take a head measurement. Head sizes and shapes can vary, even within an age range. Using a helmet that does not fit can be dangerous; 15 Vents.

Ages 14+, fits head sizes 54-61cm. Head sizes and shapes vary, even within an age range. Using a helmet that does not fit can be dangerous

Dial fit system for a comfortable fit every time

Cool texture and increased durability

STYLE AND DESIGN - Designed after the tried and true classic bicycle helmet, low profile with great coverage in a variety of colors

FIT SYSTEM - Our True Fit system for easy one step adjustment every time you ride, it's that simple

PINCH GUARD - The patented Pinch Guard buckles ensures pinch free buckling

CONSTRUCTION - ABS Hard Plastic Shell with EPS Liner.

COMFORTABLE AND COOL - Classic skate style meets new-school technology. In the dirt or out on the street, this helmet is comfortable and cool.

ACTION FIT - Designed for street and skate helmets, this streamlined fit system offers an adjustable, secure fit with the turn of a dial.

FUSION IN-MOLD POLYCARBONATE SHELL - A process pioneered by bell bonds the helmet's outer shell to the eps foam liner to create a sturdier helmet

ERGO FIT - What was once ErgoDial now has an improved dial feel and function (no longer requires a push to turn) and is more sleek and less bulky

NO-TWIST TRI-GLIDES - Quick-adjust fasteners that help keep straps flat and properly positioned

DESIGN - Specifically for women who are on the go.

FIT SYSTEM - True Fit system for easy one-step adjustment every time you ride, it's that simple.

AIR FLOW - 16 vents for channeled air flow to keep you cool while you ride.

Communications port no longer built in to helmet. Picture incorrect

Lightweight polycarbonate/ABS shell construction with removable interior, padded wind collar drastically reduces wind and road noise

Velocity Flow Ventilation system with FlowAdjust

FUSION IN-MOLDING POLYCARBONATE SHELL - A process pioneered by Bell bonds the helmet's outer shell to the EPS foam liner to create a sturdier helmet.

INTEGRATED MIPS (MULTI-DIRECTIONAL IMPACT PROTECTION SYSTEM) - MIPS stands for Multi-directional Impact Protection System, which is a leading slip-plane technology inside the helmet designed to reduce rotational forces that can result from certain impacts.

ERGO-FIT LED - What was once ErgoDial now has an improved dial feel and function (no longer requires a push to turn) and is more sleek and less bulky.

FUSION IN-MOLDING POLYCARBONATE SHELL - A process pioneered by Bell bonds the helmet's outer shell to the EPS foam liner to create a sturdier helmet.

MIPS-EQUIPPED AND FLOAT FIT (INTEGRATED WITH MIPS) - MIPS stands for Multi-directional Impact Protection System, which is a leading slip-plane technology inside the helmet designed to reduce rotational forces that can result from certain impacts. A minimalist, lightweight fit system with an easy-to-turn rubber overmolded dial for adjustments (integrated with MIPS).

NO-TWIST TRI-GLIDES AND SWEAT GUIDE - Quick-adjust fasteners that help keep straps flat and properly positioned. Sweat Guide pad design pulls moisture away from the brow pad and away from eyewear

True Fit self adjusts to perfect fit

Recommended for children ages 3-5 and Fits head sizes: 48-52 cm

Extended rear coverage for added protection

FUSION IN-MOLDING POLYCARBONATE SHELL - A process pioneered by Bell bonds the helmet's outer shell to the eps foam liner to create a sturdier helmet.

INTEGRATED MIPS (MULTI-DIRECTIONAL IMPACT PROTECTION SYSTEM) - MIPS stands for Multi-directional Impact Protection System, which is a leading slip-plane technology inside the helmet designed to reduce rotational forces that can result from certain impacts.

ERGO-FIT - What was once ErgoDial now has an improved dial feel and function (no longer requires a push to turn) and is more sleek and less bulky.

Fits head sizes: 48-52 cm

Designed with both kids and parents in mind

interior padding

Fits head sizes: 47-51 cm

Stylish comfort and protection - true fit with lights

Safety lights increase visibility - seven top vents keep heads extra cool

STYLE & DESIGN - Designed after the tried and true classic bicycle helmet, low profile with great coverage in a variety of colors.

FIT SYSTEM - Our True Fit system for easy one step adjustment every time you ride, it's that simple!

PINCH GUARD - The patented Pinch Guard buckles ensures pinch free buckling.

True Fit - Just one simple adjustment for a correct fit every time

Ten top vents and six rear vents help keep you cool

Hi-impact reflectors improve visibility

FUSION IN-MOLD POLYCARBONATE SHELL - A process pioneered by Bell bonds the helmet's outer shell to the EPS foam liner to create a sturdier helmet.

MIPS-EQUIPPED - MIPS stands for Multi-directional Impact Protection System, which is a leading slip-plane technology inside the helmet designed to reduce rotational forces that can result from certain impacts.

ERGO FIT - What was once ErgoDial now has an improved dial feel and function (no longer requires a push to turn) and is more sleek and less bulky.

FUSION IN-MOLDING POLYCARBONATE SHELL - A process pioneered by Bell bonds the helmet's outer shell to the EPS foam liner to create a sturdier helmet.

ERGO-FIT - What was once ErgoDial now has an improved dial feel and function (no longer requires a push to turn) and is more sleek and less bulky.

NO-TWIST TRI-GLIDES AND SWEAT GUIDE - Quick-adjust fasteners that help keep straps flat and properly positioned. Sweat Guide pad design pulls moisture away from the brow pad and away from eyewear.