Reinforced tread blocks and optimized architecture deliver increased traction in soft terrain, and a 500g weight reduction in unsprung mass compared to the MICHELINĀ« Desert Race tire Directional V-shaped central knobs offer maximum traction in deep sand while knob radius and clearance angles deliver maximum braking support More grip and support in deep soft grounds The DOT and FIM-approved knobby rear tire provides tremendous high-speed stability in sandy conditions * More void ratio tread pattern Softer architecture * When used in conjunction with MichelinĀ« Bib Mousse, tire is no longer intended for use on public highway (NHS).. DSRT RACE BAJA 140/80-18