Powertap Power Meter
Powertap now offers a pedal-based power meter – the Powertap P1! The applied forces to the pedals are separately measured for each leg. This allows a precise assessment of left-right balance. The integrated design makes external pedal pods unnecessary, making installation much easier.
The PowerTap hub power meter differs from crank-based power meters like SRM or Quarq regarding the site of power measurement. The PowerTap measures power at the rear hub. The method of power detection is the same compared to crank-based power meters and is based on strain gauges. With a measurement-accuracy of ±1.5%, this device is able to keep up with other established power meters.
Once built into the hub, the PowerTap power meter is a robust plug-and-play system. After installing the device in the hub, the power meter is ready to use, as soon as the rear-wheel has been reattached. Changing the power meter over to another bicycle involves simply swapping the rear wheels. The PowerTap is thus much simpler to use than the Stages or the Garmin Vector power meter.
The latest PowerTap power meters communicate via ANT+ and hence compatible with all ANT+ cycling computers. Battery exchange can be carried out with ease the user. (The required tool is supplied as part of the delivery contents.)
The PowerTap hub is available with different hole-counts and can be combined with all type of rims. One has the choice of a free hub, compatible with either Shimano / SRAM or with Campagnolo.
A further model is available, the PowerTap G3 Disc Hub, suited for mountain bikes with disc brakes, as well as a version for Thru axles.