Sports & Outdoors
Bikes & Cycling
Allround Cycling Helmets
Medium Size Allround Cycling Helmets

Best Medium Size Allround Cycling Helmets of 2026

Name: Favoto Lightweight Mountain Bike Helmet for Adults
Brand: Favoto

Luke Dobson

Last Updated: 12 Feb 2026

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For cycling enthusiasts, safety on the road is paramount. That's why it's important to invest in a high-quality cycling helmet that provides adequate protection in case of an accident. Medium size allround cycling helmets are a great option for those who want a versatile helmet that can be used for both road and off-road cycling. These helmets are designed to provide maximum protection while also being comfortable to wear for extended periods of time. With a range of features such as adjustable straps, ventilation systems, and lightweight construction, medium size allround cycling helmets are an excellent choice for any cyclist looking to stay safe on the road.

At a Glance: Our Top Picks

#TOP 1

Favoto Lightweight Mountain Bike Helmet for Adults

9.9

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#TOP 2

Favoto Mountain Bike Helmet Lightweight

9.8

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#TOP 3

Favoto Lightweight Adjustable Road Cycling Helmet

9.6

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Top 10 Medium Size Allround Cycling Helmets

#TOP 1 Best Mountain Allround Cycling Helmet

Favoto Lightweight Mountain Bike Helmet for Adults

Favoto
AMUK-Bike-Helmet-B025-Black-M
Black
Medium (55-58 cm)

Favoto Mountain Bike Helmet Lightweight - MTB Road Magnetic Buckle Bicycle Helmet for Men Women - Adjustable Black Cycling Helmet for Adults Youth with CE Certificated Size M

The Favoto Bike Helmet is designed for both comfort and safety. Its dual shell protection, certified by CE and CPSC, ensures you receive superior impact protection while cycling. You will appreciate the lightweight design, weighing just 335g, which reduces pressure on your head during long rides. The integrated moisture-wicking liner keeps you cool and dry, and it is easily removable for cleaning. Additionally, the reinforced sun visor protects your eyes from debris, allowing you to focus on the road ahead.

9.9

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What We Like

Lightweight and comfortable
Excellent impact protection
Removable and washable liner
Adjustable fit for all sizes
Effective sun visor protection

#TOP 2

Favoto Mountain Bike Helmet Lightweight

Favoto
AMUK-Bike-Helmet-B025-Military Green-M
Army Green
Medium (55-58 cm)

Favoto Mountain Bike Helmet Lightweight - MTB Road Magnetic Buckle Bicycle Helmet for Men Women - Adjustable Cycling Helmet for Adults Youth with CE Certificated Size M

Features

Lightweight And Comfortable Cycle Helmet Design: Featuring A Rear Elastic Cord For Easy Hanging And Quick Removal Of Sports Glasses. The High-Quality Moisture-Wicking Liner Is Lightweight, Breathable, And Can Be Easily Removed And Cleaned, Ensuring A Clean And Cool Riding Experience. The Bike Helmet Weighs Only 335g/0.74 Pounds, Reducing Head Pressure Even During Extended Wear.
Bicycle Helmet With Dual Shell Protection: CE (EN1078) And CPSC (1203) Approved. The PC Dual-Shell Integrated Molding Design Enhances Durability And Provides Superior Impact Protection. The High-Density 20mm EPS Foam Effectively Absorbs And Disperses Impact Forces, Ensuring Reliable Head Protection.
Versatile Outdoor Cycling Helmet: Specifically Designed For Various Road And Mountain Biking Activities, Especially Endurance And Off-Road Riding. With The Removable Visor, It Is Suitable For Commuting Bikes In Urban And Suburban Areas.

9.8

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#TOP 3

Favoto Lightweight Adjustable Road Cycling Helmet

Favoto
FT000642-1-UK
Matte Black
M (55-58cm)

Favoto Bike Helmet for Adults – Lightweight Road Cycling Helmet 14 Vents Adjustable MTB Helmet Size 55-58cm for Men and Women

The Favoto Bike Helmet offers excellent protection thanks to its high-quality EPS foam construction, which helps reduce the impact of collisions and keeps your head safe. Designed for adults with an adjustable size between 55cm and 58cm, it ensures a comfortable and secure fit for most riders. Weighing only 202g, this lightweight helmet lets you cycle without feeling burdened, enhancing your overall comfort. With 27 air vents arranged in an aerodynamic layout, the helmet provides superb ventilation to keep you cool, especially during warm summer rides.

9.6

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What We Like

Durable EPS foam construction
Adjustable fit for comfort
Very lightweight at 202g
Excellent ventilation with 27 vents

#TOP 4 Best Bicycle Allround Cycling Helmet

RaMokey Lightweight Adjustable Bicycle Helmet

RaMokey
HO-022 L
Black

RaMokey Cycle Helmet, Lightweight Bicycle Helmet, Adjustable Mountain & Road Bike Helmets for Adults, 18 Vents with Adjustable Strap & Detachable Visor for Mens Womens(Head Sizes 58-62cm) (Black)

The RaMokey Bicycle Helmet is designed for both comfort and safety. Made from durable materials, it effectively absorbs impacts, ensuring your head is protected in case of a fall. With 18 ventilation openings, this helmet keeps you cool during your rides, making it ideal for warm weather. You will appreciate the adjustable head circumference and quick-release buckle, which allow you to customise the fit for your comfort. Additionally, the removable sun visor protects your eyes from harsh sunlight, rain, and mud, enhancing your outdoor experience.

9.5

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What We Like

Durable and impact-resistant materials
Excellent ventilation for comfort
Adjustable fit for all sizes
Removable visor for versatility
Suitable for various activities

#TOP 5

Bike Helmet Men and Women

SIFVO
SO-555
Black

Bike Helmet Men and Women, SIFVO Cycle Helmet mtb Helmets Bicycle Helmet with Visor, Allround Cycling Helmets Road Bike Helmet Adult Cycle Helmet Lightweight & Breathable 【M/L】

Features

[360° PROTECTION] The Full-Coverage Design Of This Mountain Bike Helmet Provides A Higher Level Of All-Around Protection For The Head, Including The Back. Suitable For A Wide Range Of Sports Types
[RELIABLE SECURITY] The Cycling Helmet Uses Advanced Integrated Molding Technology To Tightly Combine Sturdy Matte PC Shell With Thickened Impact-Resistant EPS Core, Safer And More Sturdy. Trustworthy CPSC+CE Dual Certification
[EXCELLENT VENTILATION] 18 Vents Create A Perfect Air Circulation System For This Mens And Womens Bike Helmet Which Help To Keep Your Head Cool And Comfortable At All Times And Reduce Air Resistance During The Ride

9.3

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#TOP 6 Best Adult Allround Cycling Helmet

Adjustable Tadpole Cycling Helmet with LED Light

tadpole
HO-89
Matte black
L: 56-60 CM

Bike Helmet, Adjustable Cycling Helmet with USB Rechargeable LED Light, Lightweight Bicycle Helmets for Adults, Breathable Mountain & Road Cycle Helmet for Men Women (Matte black)

The Tadpole Cycling Helmet offers a comfortable and adjustable fit, accommodating head sizes from 56 to 60 cm. It features a USB rechargeable LED light with three modes, enhancing your visibility during night rides for added safety. The helmet is designed with 11 ventilation vents, promoting airflow to keep you cool and comfortable while cycling. Additionally, a low-profile visor reduces glare, enhancing your field of vision and protecting your eyes from sunlight, ensuring a more enjoyable ride.

9.1

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What We Like

Customizable fit for comfort
Enhanced visibility at night
Excellent ventilation for cooling
Glare reduction with sun visor

#TOP 7 Best Womens Allround Cycling Helmet

GearTek Lightweight Adjustable Cycling Helmet

GearTek
Pink + Black

GearTek Bicycle Helmet With Sun Visor, Lightweight Adjustable Cycle Helmet Adult, Safety Mountain Bike Helmet Men Womens Ladies Unisex, MTB BMX Skateboard Scooter Cycling (Pink + Black)

The GearTek Cycling Helmet is designed for safety and comfort. Its durable hard shell and multi-density EPS foam effectively absorb impact, providing essential protection for your head during extreme sports. The adjustable size fits most adults, making it easy to secure with its quick-release buckle. With 18 vents, the helmet promotes excellent airflow, keeping you cool and reducing drag while you ride. Additionally, the removable sun visor shields your eyes from sun and rain, ensuring a more enjoyable biking experience.

9.0

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What We Like

Impact and scratch resistant
Adjustable for most head sizes
Breathable with 18 vents
Removable sun visor
Lightweight design

#TOP 8

Victgoal Bike Helmet with USB Rechargeable LED Light Removable Magnetic Goggles Visor Breathable MTB Mountain Bicycle Helmet

Victgoal
HT-23
Black Red
M: 54-58 cm

Victgoal Bike Helmet with USB Rechargeable LED Light Removable Magnetic Goggles Visor Breathable MTB Mountain Bicycle Helmet for Unisex Men Women Adjustable Cycle Helmets (M: 54-58 cm, Black Red)

Features

Cool And Lightweight Cycling Helmet: Our Kids Bike Helmet 52-56cm Is Design With 21 Breathable Vents, Can Effectively Reduce Air Resistance And Make You Feel Cool When Cycling. The Cycling Helmet Only 310g Will Not Cause Any Burden To The Rider's Head During Cycling.
Rechargeable Rear Light: VICTGOAL Bike Helmet Kids 8-12 Included Plug-In USB Rechargeable LED Light, 3 Lighting Modes-Steady, Fast Flashing And Slow Flashing, Will Help Riders Behind You Clearly Recognized Your Direction. The Rear Light On Helmet Only Takes Two Hours To Charge And Can Be Used For 10 Hours.
Magnetic Helmet Goggles And Visor: This Kids Bike Helmet With Visor And Goggles, Fits For Mountain Bike And Road Bike Cycling. You Can Put The Goggles And Visor On Together, Not Only Can Protect Eyes From Sunlight, But Also Can Protect Your Face Against The Sand And Wind.

8.8

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#TOP 9

OnBros Lightweight Bike Helmet with Visor

OnBros
Black
One Size

Bike Helmets, OnBros Cycle Helmet Men and Women, Scooter Skateboard MTB BMX Bike Helmet Lightweight, Mountain Bike Helmet with Visor, Bicycle Helmet

The OnBros Cycle Helmet is designed to keep you safe with its CE-certified reinforced PC shell and thickened EPS, offering reliable protection while you ride. You can easily adjust it to fit head sizes between 57-59cm using the circular adjuster, strap, and internal slots, ensuring a snug and secure fit. With 13 vents and soft inner padding, this helmet keeps you cool and comfortable by allowing air to flow freely. The chin strap includes a soft pad to prevent irritation, making your cycling experience more pleasant.

8.6

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What We Like

CE certified safety
Adjustable fit for 57-59cm heads
13 vents for breathability
Soft chin strap padding
Comfortable removable liner

#TOP 10

Victgoal Bike Helmet for Men Women

Victgoal
HT-23
Black Red

Victgoal Bike Helmet for Men Women with Led Light Detachable Magnetic Goggles Visor Mountain & Road Bicycle Helmets Adjustable Size Adult Cycling Helmets (M: 21.3-22.8 inch (54-58 cm), Black Red)

Features

Cool And Lightweight Helmet: Our Bike Helmet Special Aerodynamic Designed And 21 Breathable Air Vents, Effectively Reduce Air Resistance And Sweating. This Bike Helmet Only 310g (0.68 Lb) Will Not Cause Any Burden To The Rider's Head During Cycling.
Adjustable Fit: VICTGOAL Bike Helmet Fits For Adult Men And Women, You Can Adjust The Helmet Size Easily With One Hand, 3 Sizes Available, Size M: 21.3-22.8 Inch (54-58 Cm); Size L: 22.4-24 Inch (57-61 Cm); Size XL: 23.2-24.8 Inch (59-63 Cm). It Is Easy To Adjust The Bicycle Helmet Size With One Hand. Our Bicycle Helmet Will Give You A Comfortable And Happy Cycling Trip.
Safety Protection: High-Density Imported PC Cases With Superior Technology Will Surely Improve Safe Performance. Our Bicycle Helmet With Resistant Hard Shell, Soft Pad Can Absorb The Pressure Caused By External Impact. Adults Wearing Bike Helmet Will Feel Safer And More Comfortable, It Will Protect Your Head In All Directions.

8.5

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Editor's Notes

During our medium size allround cycling helmet research, we found 306 medium size allround cycling helmet products and shortlisted 10 quality products. We collected and analyzed 70,956 customer reviews through our big data system to write the medium size allround cycling helmets list. We found that most customers choose medium size allround cycling helmets with an average price of £25.66.

The medium size allround cycling helmets are available for purchase. We have researched hundreds of brands and picked the top brands of medium size allround cycling helmets, including Favoto, RaMokey, SIFVO, tadpole, GearTek.

Written by

Luke Dobson

Luke is a runner, a climber, hiker, hunter, and a lot more. Luke Dobson is Celtic-born and has lived most of his life in Scotland. However, his sporting endeavours have taken him to several countries around Europe. He serves as a tour guide for countless companies and owns a couple of gyms and recreational centres in Scotland. Luke Dobson is proficient in 7 different languages. He maintains many sport article columns where he shares his wealth of experience in the sport industry.