Bigwallmaster 0 #1 May 27, 2005 Hi I'm new to all this so don't bite my head off if this has been asked in the past. What's the difference between PC & HC models? Also, does Bonehead offer a helmet that is suitable for the HC90? Cheers, J.P. Quote Share this post Link to post Share on other sites
ltdiver 3 #2 May 28, 2005 Excellent resource HERE. ltdiver Don't tell me the sky's the limit when there are footprints on the moon Quote Share this post Link to post Share on other sites
buckleme 0 #3 May 30, 2005 Straight from boneheads website: DBox: TRV 19, 22 & 33 & HC 15 & HC 90 * TOP MOUNT * Can also be mounted on the side of a helmet This dbox fits the HC 90 very well. .Blue Skies! Mary B Sandillas Rodriguez Muff Brother #2959 TF #77 Quote Share this post Link to post Share on other sites