WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Bell Helmets Riot Boost Open Face Helmet

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Q & A

Have a product related question about fit, features, or functionality? Ask it here.

If you have a question about availability or need immediate assistance, call 1-800-841-2960.

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Bell Helmets Riot Boost Open Face Helmet

Shipping & Returns

Orders $100 and over qualify for our free shipping offer. See our full shipping policy for further shipping details.

Return any new, unused and unaltered item within 30 business days. Create a return label online for as little as $7.99. Please read our return policy.


  • Motorcycle helmet with a Fiberglass composite shell construction and a low profile
  • Anti-bacterial interior with a multi-density EPS (Expanded Polystyrene) liner
  • 5 shell and EPS (Expanded Polystyrene) liner sizes ensure a low profile look and personalized fit
  • Integrated flip up face shield included
  • Padded chin strap with D-ring closure and strap keeper
  • Meets or exceeds DOT standards
  • Black/White/Red


Note: Helmet comes standard with a clear faceshield. Optional tinted faceshield shown.

Bell Riot Helmets

Head (in) 20-7/8 - 21-1/4 21-5/8 - 22 22-1/2 - 22-7/8 23-1/4 - 23-5/8 24 - 24-3/8 24-3/4 - 25-1/8
Head (cm) 53 - 54 55 - 56 57 - 58 59 - 60 61 - 62 63 - 64
Hat Size 6-5/8 - 6-3/4 6-7/8 - 7 7-1/8 - 7-1/4 7-3/8 - 7-1/2 7-5/8 - 7-3/4 7-7/8 - 8
Helmet Shell and EPS Sizing
Helmet Size XS S M L XL XXL
Shell Size 1 2 3 4 5
EPS Size 1 2 3 4 5

General Sizing Information

If you are unsure about your size, compare your body measurements to the charts provided to determine the correct fit. These charts will give you a good idea of the size to order, but be sure to read special sizing information that may accompany an item description. Some merchandise dimensions may vary from the averages charted here.

Head Circumference

Measure around head one inch above eyebrows and across the largest portion on the back of the head and use the above cross reference chart.


Age & Gender
Model Name for Gear
Bell Helmets

Item Numbers

Details Item Number Availability Store Pickup
Details:Black/White/Red  M Item #650-7092635 Availability:In stock: Ready to shipStore Pickup:Available
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov


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