The outer shell of the SR1 is offered in three helmet shell sizes and combines an aerodynamically optimal shape suitable for racing with excellent protection.
- Shell material: S.T.R.O.N.G. fibre and carbon
- Special glass fibre reinforced special duroplast matrix with an additional carbon layer to ensure extremely low weight
The glass fibre-carbon compound is compressed in a vacuum at a pressure of 4.5 bar to form a helmet shell which is exceptionally sturdy