just got this helmet for Christmas and boy was i surprised.. this thing is awesome!!! but i have a few questions. im a little scared to wear this expensive helmet while in small practice tracks and such because i dont wanna screw it up over a small fall. so ive decided to wear my old helmet while on the piss-whiddly (sp?) tracks and save the nice helmet for the big, fast,dangerous tracks. however, if a replacement liner (the one that takes all the shock) is available then i would reconsidder and wear the good helmet all of the time. Any help with this? And Merry Christmas to all!!