Simpson Racing DiamondBack Motorcycle/Race Helmet Black- 7 3/8 - DOT/SNELL egr system Our patented FormFit Edge(TM) features

Our patented FormFit Edge(TM) features a raised ridge that runs along the door jam

Designed around the factory rear leaf springs

and factory-mounting locations are used for an easy installation

Installs easily with basic hand tools

Includes replaceable filter

Simpson Racing DiamondBack Motorcycle/Race Helmet Black- 7 3/8 - DOT/SNELL egr system Our patented FormFit Edge(TM) featuresA major revision to our Simpson Diamondback for 2021 combines a new Italian composite shell with a shorter chinbar and changes to the visor mounting for improved fit and function while also providing enhanced impact protection. Helmet ships with one clear face shield installed, additional face shields may be purchased separately. Features: Recessed eye port offers a 100% shield seal Head restraint ready Italian composite shell Your helmet ships with