Helmets only have a shelf life of five or so years, with deterioration in the EPS liners and adhesives negatively impacting safety beyond that point. Despite that, many motorcyclists, especially casual riders, keep helmets far past their use by date. To promote helmet use, AGV USA is offering and across-the-range 20 percent discount to anyone exchanging an older motorcycle helmet of any brand. The offer runs through June 15 and is good only at participating dealers. We like our AGV GP-Tech road race helmets and these new AGV AX-8 Dual adventure touring lids. As an added bonus, AGVs are certified to the light and safe ECE 22.05 standard.