If your code still works I'd love to buy one direct from the manufacturer at that price.
I would too!! Unfortunately that was back in June and it has long since expired. If you're still looking, join their Facebook Page as they list all their sales there and join the mailing list on website for coupons.
Off-season is when they do these big sales. In season 15% off specific models and/or free shipping is the best you're gonna get.
But if they ever release these two, I know I'll break down and buy another one!! Formula One - my favorite sport - is how I discovered these helmets.