Best Medium Size Allround Cycling Helmets of 2025

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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 6 Medium Size Allround Cycling Helmets
Trespass Crankster Adjustable Cycle Safety Helmet
The Trespass Crankster Helmet is designed for all-round cycling safety and comfort. With its fully adjustable fitting, you can easily customise the helmet to ensure a secure and comfortable fit, enhancing your riding experience. The all-round ventilation feature helps to keep you cool while cycling, making those longer rides more enjoyable. Additionally, the optional visor provides extra protection from the sun or rain, allowing you to focus on your ride. The adjustable strap further ensures that the helmet stays in place, providing you with peace of mind on your cycling adventures.
HardnutZ HN102 Street Bike Helmet for All Ages
The HardnutZ HN102 Helmet offers exceptional safety for urban cycling, BMX, skateboarding, scootering, and roller skating. Its tough ABS outer shell and impact-absorbing EPS inner liner provide maximum protection for your head. With a multi-vented design, you can stay cool and comfortable during your rides. The adjustable dial-fit system ensures a snug fit, allowing you to focus on your activity without worrying about your helmet slipping or feeling uncomfortable.
LAZER Tonic KinetiCore Helmet in Matt Black
The LAZER Tonic Helmet offers a superb fit with its Advanced TurnSys system, allowing you to easily adjust the size with just a turn of the dial while riding. With three available sizes, you can find the perfect fit, enhancing both comfort and protection. If you wear eyewear, you'll appreciate the dedicated slots for easy docking, keeping your glasses secure. Additionally, the helmet supports an LED light attachment, improving your visibility and safety during night rides.
VICI Kids and Adult Scooter Helmet with Lights
The VICI Scooter Helmet offers three size options, ensuring a comfortable fit for everyone from kids to adults. Its ultra-durable polycarbonate outer shell provides robust protection, making it suitable for various activities such as cycling and skateboarding. With integrated front and back lights, you can ride safely in low light conditions, enhancing your visibility to others. The helmet also features 14 ventilation vents, promoting optimum airflow to keep your head cool during intense rides.
Favoto Lightweight Mountain Bike Helmet for Adults
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.
Raleigh Quest Pink Black Cycling Helmet
The Raleigh Quest Helmet is designed for comfort and safety, featuring a micro shell construction that ensures durability while keeping the weight down to just 260g. With 21 airflow vents, this helmet promotes excellent ventilation, keeping you cool during your rides. The quick release buckle allows for easy fitting and removal, perfect for those on the go. Additionally, the rear dial adjustment provides a customised fit, ensuring you feel secure and comfortable as you cycle.
During our medium size allround cycling helmet research, we found 288 medium size allround cycling helmet products and shortlisted 6 quality products. We collected and analyzed 19,324 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 £19.56.
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 Trespass, HardnutZ, LAZER, VICI, Favoto. The seller of top 1 product has received honest feedback from 1,010 consumers with an average rating of 3.6.

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.