This article originally appeared on BikeRadar.
We’re at the Tour Down Under and it's already offering up a bevy of bike-based treats. Here you can feast your eyes on a prototype version of Rotor’s new 2INpower power meter, being ridden by Australian rider Mark Renshaw (Dimension Data).
Rotor has confirmed to BikeRadar that it's a dual-sided power meter, rather than left-side-only as the previous version was. It is however said to “share some characteristics” with Rotor’s INpower meter – though your guess is as good as ours what they might be.
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Our photos from the Tour Down Under suggest that the left-hand side of the prototype 2INpower looks like a normal crank, as it appears to be a crank pinch bolt and bearing preload cap, similar to Shimano cranks. Take a look at our photo above, from Mark Renshaw’s Cervélo S5, and decide for yourself.
Either way, the new 2INpower will measure power at the spindle – rather than the crank, like the Stages system, or at the pedal, like Garmin’s Vector system. But the dual-sided measurement means it won’t be an estimate arrived at by doubling the power measure at the left crank.
As with its predecessor, it will almost certainly offer ANT+ for wireless updates, as well as unique graphical analysis tools – such as Pedal Smoothness, Torque Effectiveness and Optimum Chainring Angle – when paired with the associated desktop software or mobile app.
You can read more at Cyclingnews.com
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