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The World's Largest Online Bike Store
THE BEST BRANDS IN Protection

Whether you’re a weekend downhill warrior, pushing the limits of your endurance on the road, or looking for a basic helmet to get protected, Chain Reaction Cycles can meet all of your protection needs. From entry level through to the latest in protection technology, we are confident there is a product in our range for you. We stock the latest in protective wear from the biggest brands and across all disciplines. A good fit is key to maximising the effectiveness of Helmets and Body Armour, luckily shopping online for the perfect helmet doesn’t have to be guesswork.

Our size guides help you make the right choices when selecting your product. Unsure about the fit of a certain model? Our customer service team will be happy to guide you towards the product that is right for you. If your new gear arrives and turns out not to be your perfect match, our UK Collect Plus service helps to keep our returns process simple.