iBike Newton Cycling Power Meter Requires User-Supplied PC/Mac For Recharging The Newton's Battery Isaac works with all iBike power meters  iBike Newton or iBike DashplusPower and will accept any iBike ride file, from any generation iBike Analyze: Isaac analyzes your Newton's calibration to make sure youre getting optimum accuracy Isaac also keeps track of your ride history, so you can watch your cycling fitness progress Setup: Isaac guides you through the setup of your software and your iBike Newton Share: Isaac lets you share your ride files with your coach, or post your ride results on Facebook or Twitter