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6 Products

Simpson Diamondback Helmet

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:

  • Recessed eye port offers a 100% shield seal
  • Radio communications may be added
  • Head and neck restraint ready
  • Italian composite shell
  • Assembled in Texas
  • Your helmet ships with one clear shield installed.
  • Defined "wave eliminators" increase functionality from an aerodynamic aspect
  • Recommended for multi-use including Stock Car, Dirt Track, Drag Racing, Karting, Road Racing and Off Road


    • Snell SA2015 vs SA2020 …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.