• Robust plastic moulded construction

39″ – from one end to the other measuring along the middle of the base

The helmet should be perfect for racing

Suede reinforcements on the outer hand are backed with foam padding for abrasion resistance

RPM Measuring System Including: measuring current engine RPM

Bel Ray - Silicone DOT 5 Brake Fluid 6D Helmets • Robust plastic moulded constructionBel Ray Silicone DOT 5 Brake Fluid exceeds FMVSS Sec. 571. 116 DOT 5 silicone base motor vehicle brake fluid specifications. Mixes with all fluids meeting such specifications. DOT 5 brake fluid may not be mixed with DOT 3 and DOT 4. DOT 5 may be used to replace either DOT 3 or DOT 4 if a complete system flush is done. For use in all drum or disc hydraulic brake systems, except systems using mineral based fluids (LHM). Boiling Point: Dry 500F, Wet 500F.