This week I cover a bunch of stuff! I discuss the Pedro's Tool winner and give the rules to enter our NEW Challenge Tire contest.  Then a quick chat with Andy about the Beat the Train ride in Detroit.  A great interview with Kirk Pacenti about his little idea years ago of a modern mountain bike with 650b wheels, and finish it off with a discussion about the new Shimano 105 groupset.  Yep, a packed show!