OTT’s mini-series on gearing continues with a look at the gearing changes required by two very different tracks that were back-to-back on the 2009 AMA Pro Racing schedule, Infineon Raceway in California and Road America in Wisconsin. Two-time AMA Pro Racing Supermoto Champion Chris Fillmore spent 2009 as a Daytona SportBike rookie aboard a Yamaha YZF-R6. His crew chief, former racer Geoff Cesmat, schooled OTT on the Infineon-to-Road America gearing challenge. Be sure to check out other Roadracing World feature videos. Video provided by ~http://www.OnTheThrottle.tv~ and ~www.YouTube.com~