For midlevel riders, the CycleOps PRO serves as the perfect tool to improve power and performance so they finish their next ride or season even stronger. Because of ANTSport you can use your favorite GPS device in tandem with the PowerTap PRO. Wireless 2.4 GHz transmission with ANTSport 2009 CPU's will work with current and older hubs but 2009 hubs will not work with older CPU's 12mm alloy axle with Alloy Hub Shell Must purchase Compatible ElectroPack and skewer separately
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