I've been using Acerbis products as long as I can remember and these handguards are worth every penny. The customer service is top notch, especially Adam, and solved my problem right away. I've ran these on every bike I've owned but for some reason they cracked in the garage this winter when it was -20° F (no other set did so just a freak thing) but Adam sent me a replacement immediately. So thank you Adam and Acerbis, I've been and will continue to be a lifelong customer.