The Simpson Diamondback SA2020 has under gone a major revision for 2021 and combines a new Italian composite shell with a shorter chinbar as well as changes to the visor mounting for an improved fit and function as well as also providing enhanced impact protection.
Key Features
- Comes with a clear visor pre-installed
- Increased aerodynamic performance from 'wave eliminators'
- FHR / Head restraint ready
- Recessed eye port offers a 100% shield seal
- Radio communications may be added
- Italian composite shell
- Ideal for Stock Car Racing, Drag Racing, Off Road Racing.
Sizing Information

Please measure around the circumference of your head, above the ears. You can then refer to the size chart show below. Never attempt to guess your helmet size, it is important you helmet fits tight to your head, whilst remaining comfortable.
Snell SA2020