RF-1000 has a different shell shape than X-11. I thought the RF was the best fit according to my head, then I tried on a X-11. The X-11 is a bit longer, and gave me room between my chin and the front of the helmet.
Best helmet I've owned.
A forum community dedicated to all sport bike owners and enthusiasts In British Columbia. Come join the discussion about reviews, performance, modifications, classifieds, troubleshooting, maintenance, and more! Open to all sport bikes models of Honda, BMW, Yamaha, Suzuki and more.