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Find the Right Size Bike Helmet
When choosing a bike helmet, a good fit is vital. Most helmets come in small, medium, large or extended sizes.
To find your size, wrap a flexible tape measure around the largest portion of your head—about 2.5cm. above your eyebrows. Or, wrap a string or ribbon around your head, then measure the length of string with a straight-edge ruler or tape messure.
Look for a helmet size that matches your measurement. The size range is listed under the "Specs" tab on each product page.
General sizing parameters:
- Small / Medium: (54cm–58cm)
- Large: (59cm–61cm)
Between sizes? Either opt for the smaller size or wear a cycling cap or beanie to improve the fit of the larger helmet. .
Adjusting a Bike Helmet
A good-fitting helmet should be snug but not annoyingly tight. It should sit level on your head (not tilted back) with the front edge 1 in. or less above your eyebrows so that your forehead is protected. Push the helmet from side to side and back to front. If it shifts noticeably (2.5cm or more), you need to adjust the fit.
To adjust the fit, first expand the sizing wheel before you place a helmet on your head. Almost all helmets have a sizing wheel on the back of the helmet's internal sizing ring. Once the helmet is in place, reach behind your head and tighten the ring (usually by twisting a wheel) until you get a snug fit.
Next, buckle and tighten the chinstrap. The straps should form a "V" as they rest under each ear. Adjust the straps around both ears until you have a comfortable fit.
Finally, with the chinstrap buckled, open your mouth wide. The helmet should press against the top of your head as you do so. If not, tighten further and repeat. Just don't overtighten the strap until it's uncomfortable.
Bike Helmet Care
It is important you replace your helmet every 2-3 years and ALWAYS after any impact incidents whereby the integrity of the helmet may be compromised. Your helmet can save your life… remember it is an important piece of equipment and should be cared for. Inspect your helmet regularly – shell, interior & lining and straps to ensure it is in good working order.
Wash your helmet in mild detergent /soap and water with a soft cloth/sponge. Rinse thoroughly and air dry. Never use solvents or harsh cleaning materials on your helmet or abrasive textiles. Remove your bug pad and wash with mild laundry detergent by hand, rinse thoroughly and air dry. Never place your helmet or liner in the washing machine, dishwasher, dryer or microwave.
If possible store your helmet in a protective case/bag and place it in a safe, dry and well ventilated area where is it not likely to be knocked or fall to the ground. ON the handlebars of your ride is not the best place and never hang your helmet by the straps.
When to Replace a Helmet
Any helmet involved in an accident is likely to get damaged. Replace the helmet after any significant impact, even if everything looks OK.
If you've been crash-free, it is generally recommended to replace your helmet after 5 years. Pollution, UV light and weathering can weaken its components over time.