A major revision to our Simpson Diamondback for 2021 combines a new Italian composite shell with a shorter chinbar and changes to the visor for improved fit and function while also providing enhanced impact protection.

FEATURES:

Your helmet ships with one clear shield installed
Defined "wave eliminators" increase functionality from an aerodynamic aspect
Side pipe option available for an additional $150 (call 800-654-7223 to order)
Recommended for multi-use including Stock Car, Dirt Track, Drag Racing, Karting, Road Racing and Off Road
Recessed eye port offers a 100% shield seal
Radio communications may be added
Head restraint ready
Italian composite shell
Assembled in Texas
Size Available: XS-XXL
Colors Available:
- White
- Gloss Black
- Red
- Blue
- Matte Black
- Orange

Snell SA2015 vs 2020 …what’s changed? The Snell SA2020 testing requirements have changed a small amount and have now become more in line with the FIA 8859 Helmet Standard.

Details:

Increased velocity by 5-10% for impact testing on the 2nd hit across all shell sizes
Increased velocity from 5.7 to 6.0 m/s on the 54cm to 59cm size
Increased peak G threshold on the 54cm to 59cm size and 60cm-64cm size

Charts

Helmet Sizing Chart (PDF)

Guides & Documents

Helmets Sizing Chart (630729)

CA WARNING:

Can expose you to lead, a carcinogen and reproductive toxicant. See www.P65Warnings.ca.gov

Specifications

KEY SPECS
MFG. Part #	Select Color and Size to see
Brand	Simpson
Helmet Type	Full Face
Safety Rating	Snell SA2020
Helmet Shell Material	Composite
Age Group	Adult
Color	Select Color and Size to see
Finish	Select Color and Size to see

GENERAL
Restraint Compatible	Yes
Helmet Size	Select Color and Size to see
Hat Size	Select Color and Size to see
Head Circumference - Metric	Select Color and Size to see
Fresh Air Equipped	No
Shield Included	Yes
Helmet Shield Color	Clear
Sold in Quantity	Each
GTIN Code	Select Color and Size to see

Ratings & Reviews

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I highly recommend this product.

5.0

2 years ago

Snake Eyes

Springfield MO

I use this product in dirt track racing. I have owned my helmet for several years, and it is still in great shape less scratches an chips. The padding inside has held up very well!

Would Recommend

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