PowerTap’s new product blitz is led by the new P1 power meter pedals and continues with the C1 power meter chainrings, GS hub and Joule GPS+ computer. Here’s what you need to know about each one.
The C1 chainring power meter costs just £569 / US$699, making it the cheapest power meter on sale, even undercutting the single-sided systems from Stages and Garmin. It has five strain gauges, one at each mounting tab, and a transmitter pod tucked neatly between the crank arms.
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PowerTap's C1 chainring power meter is the cheapest option on the market
The C1 can run with 10- and 11-speed setups but initially it is only available for five-arm 110BCD cranks. PowerTap says that it chose this size because it’s the most common currently on the road, if not in showrooms. It’s likely that more sizes will follow to suit the latest four-arm Shimano systems, but the placement of the strain gauges means it isn’t straightforward.
The chainrings are made by FSA and come in 53/39, 52/36 and 50/36 sizes. A 34-tooth inner ring isn’t possible due to the placement of the pod. As well as being an introduction to training with power, the C1 also opens up the possibility of OEM fitment on new bikes. Specialized recently became the first manufacturer to spec a power meter as standard on the new Venge Vias.
You can read more at BikeRadar.com
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