Some people prefer the winds of freedom to hit them squarely in the face. If that's your style, Bonanza's your helmet. US DOT-certified for safety. Lightweight and generously padded for comfort.
Technical Details
No two helmet models from different manufacturers will fit identically on the same wearer's head. For this reason, please refer to our sizing chart and follow our fitment instructions carefully before merely ordering a new helmet in the same size as the one you're currently wearing.
Size | Head measurement | US Hat size |
---|---|---|
XS | 20⅞ – 21⅜ | 6⅝ – 6⅞ |
S | 21½ – 22 | 6⅞ – 7⅛ |
M | 22⅛ – 22⅝ | 7⅛ – 7⅜ |
L | 22¾ – 23¼ | 7⅜ – 7⅝ |
XL | 23⅜ – 23⅞ | 7⅝ – 7⅞ |
XXL | 24 – 24½ | 7⅞ – 8⅛ |
Size | Head measurement | US Hat size |
---|---|---|
XS | 53 - 54.25 | 6⅝ – 6⅞ |
S | 54.5 - 55.75 | 6⅞ – 7⅛ |
M | 56 - 57.25 | 7⅛ – 7⅜ |
L | 57.5 - 58.75 | 7⅜ – 7⅝ |
XL | 59 - 60.25 | 7⅝ – 7⅞ |
XXL | 60.5 - 61.75 | 7⅞ – 8⅛ |
In order to best determine fit, we advise comparing our helmet’s measurements to a similar helmets you already own. When taking your head measurement, measure the largest circumference, usually found at your your temple.
For any sizing, styling, or general inquiries, please contact us.
We’ve got a no hassle approach to exchanges and even cover shipping both ways in the USA. Dig in to the details for all returns and exchanges here.
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Spend over $100 in our online store and your order ships for free within the USA. Orders placed before 2:00PM PST generally go out the same day so you get your stuff fast.
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I dig it and you will too. The Bonanza looks great, and It’s more comfortable than the Gringo. The Bonanza's liner is removable, so you can hand wash out all that greasy sweat and pomade you have been depositing on every ride for months. When the old hand wash isn’t cutting it anymore, Biltwell also sells liner replacements. Making it easy bring your Bonanza back to life after you’ve sweated one too many cheap beers and roadside bbq into it. The Bonaza has three snaps along the brow line, so you can attach a bubble shield to it and extend that ride if you get caught in the rain or out later than you planned on a cold night. Seriously the bubble shield saved my ass on a camping trip in the mountains. I was lost and it kept me on the road till I found my friends. The only problem is where to store it, so you have it, if you need it. I zip-tie mine to my sissy bar bag for long trips, just in case. Anyway, The Bonaza is a good helmet for what it is - a super cool guy helmet, for super cool guys. Probably not the safest. But then again that jokey shifting, foot clutching, Ridgid shitbox of yours isn’t the safest either. Your bike is titled in the wrong state and doesn’t have two matching numbers on it. You don’t know what year it is and neither does the Department of transportation…at least the Bonanza is DOT certified.
Great helmet, can't complain about anything. Fit is very nice, order the bubble shield for it and love it. No wind noise at all and looks cool. Also very fast shipping, put my order in on a Sunday and received it by Wednesday.
Overall great product. I was apprehensive about ordering online but the sizing was accurate and fits great.
Great packaging, Great fit and awesome look!! I also purchased some goggles to go with. You can’t go wrong with Biltwell inc!
For years if i had a helmet on it was a novelty for riding through helmet law states. This year when the bikes came out I dropped my novelty and watched it crack apart. I told my man i was getting a real helmet. He laughed and said “your head your choice”. He does own and occasionally wear a DOT. Helmet. I had decided i wanted more than a beanie and found the biltwell 3/4 gloss black. The sizing runs dead on. I got a s and it fits perfectly. No bad wind noise and it stays sput have worn it on several multi-state rides with no complaints. It is heavier than my novelty but There is an actual helmet on my head now and not a a worthless plastic cap. Glad I bought it. ride on