GMAX GM64 Solid Modular Men's Street Helmets
|Size||U.S. Hat Size||Inches||CM|
|S||6 3/4 - 7||21 5/8" - 22"||55-56 cm|
|M||7 1/8 - 7 1/4||22 7/16" - 22 13/16"||57 - 58 cm|
|L||7 3/8 - 7 1/2||23 1/4" - 23 5/8"||59 - 60 cm|
|XL||7 5/8 - 7 3/4||24" - 24 3/8"||61 - 62 cm|
|XXL||7 7/8 - 8||24 13/16" - 25 3/16"||63 - 64 cm|
|XXXL||8 1/8 - 8 1/4||24 13/16" - 25 3/16"||63 - 64 cm|
|XXXXL||8-3/8||26 3/8" - 26 3/4||67 - 68 cm|
|Size||U.S. Hat Size||Inches||CM|
|YOUTH S||6 1/8 - 6 1/4||19 5/16" - 19 11/16"||49 - 50 cm|
|YOUTH M/XXS||6 3/8 - 6 1/2||20 1/16" - 20 7/16"||51 - 52 cm|
|YOUTH L/XS||6 5/8 - 6 3/4||20 7/8" - 21 1/4"||53 - 54|
A properly fitted helmet will improve many aspects of your ride. It will make you more comfortable by not creating hot spots. It will make you more aware of your surroundings by dampening noise and increasing visual clarity. In the event of an accident, a helmet that fits your head properly will have the best chance of protecting you from injury. The helmet fitting methods described here are focused on fitting for full face helmets. Many of these same techniques will apply to 3/4 and half-helmets as well. When trying on helmets in your local shop, seek the advice of parts and accessories experts. They will be glad to help.
To find your approximate size measure the circumference of your head one-inch above eyebrows and across the largest portion of the back of your head. Cross reference this measurement on the helmet size chart to determine the approximate size.
When trying on a helmet, the first area to focus on is the crown. Make sure that the crown of the helmet matches the shape of your head. It should fit like a comfortable hat with equal pressure around the circumference of your crown.
To test the fit of the helmet place one hand on the back of the helmet and push forward. Check to see if you can create a gap on your forehead. If you can insert more than the very tip of your finger in-between the inside of the helmet and your head then you should try a smaller size. If that smaller size fits your crown but is too tight on your face, see if there is a thinner cheek pad available to relieve the pressure on your face. If you are unsure which size fits best then remove the cheek pads from each helmet and try them on without the pads. This will give you the best indication of which helmet to choose.
The way cheek pads fit can make a huge difference in the way a helmet feels. Too tight and you'll be uncomfortable. Too loose and the helmet will be noisy and will move around when riding. There is some amount of personal preference when selecting the proper size. The cheek pads will break in substantially in the first couple hours of riding so go with the tightest fit you can comfortably wear.
Once you have the crown and cheek pads where you want them, you can then check for helmet stability. Without the chin strap fastened, grab the helmet from the rear and see if you can roll it forward off of your head. You should feel it grip the back of your head and resist rolling forward off of your head. If the helmet does roll forward off of your head, try a smaller size or a different model.
You can see if a helmet fits correctly by looking in the mirror. The brow of the helmet should comfortably rest somewhere between just above your brow bone to one inch (25mm) above your brow. Grab the chin bar and move it lightly side to side. You should see and feel the cheek pads remain in contact with your face.
Note: Sizing information is provided by the manufacturer and does not guarantee a perfect fit.
apparel only. Boots, luggage, hard parts, body parts, oils, tires, batteries and
oversized items do not apply. We will pay for shipping back to us for all exchanges, and then back to you.
So you never have to worry about shipping charges! Free freight does not apply to Returns or returns for refunds
(only for exchanges). Free freight only applies to ground shipping. Expedited shipping is not allowed.
Shipping only applies to M-F. Shipping freight must be properly packed and shipped insurance pre-paid.
Items lost in shipment or damaged in shipment is the responsibility of the customer. All original tags, paperwork,
stickers and accessories must be included. All original manufacturer boxes must be in new condition. You have 7 days to
request an exchange. Exchanged merchandise must be in New and Resaleable condition. All used helmets will be rejected.
Any scratches or signs of use will void your exchange. Any washed merchandise is void of exchange.
All returns must be accompanied by an order number, all original packaging materials and paperwork.
All Hot Sale items cannot be returned for exchange or refund. This item sale is final because it's a limited sale item.
Free Shipping Exchange does not cover Boots (Street, Offroad and Cruiser). Free exchange policy applies to ONE time use only.
Customer agrees to pay for all returns and shipments thereafter. Check our Returns and Exchanges page for additional information.
Free international shipping applies to helmets and apparel only. Hard Parts, body parts, oils, tires, batteries and oversized items do not apply. Free standard shipping only applies for orders shipping outside the USA. Any other shipping methods should have shipping costs added. (eg. to Hawaii, Alaska, 2nd Day, 3rd Day, Next Day). Please see this page for more info.
Apparelonly. Boots, Luggage, Hard/Body Parts, Oils, Tires, Batteries and Oversized items excluded).
We guarantee to have the lowest price online from any legitimate authorized reseller. We'll refund the difference if you can prove that another reseller is advertising a lower price.