The preliminary skirmish – Why and why?

For some time now, I have been following various power meters, be it the ” traditional ones ” that are easy to buy online or in stores here in our part of the world, or those that can be found deep in the net under AliExpress or E-Bay.

There was certainly one or the other offer, which would have appealed to me, because the prices are between 200 and 250 euros for a crank arm suitable for my R8000 Ultegra. Different models are offered here, with CR2032 or integrated battery, everything is there.

But then I was convinced by the offer from Sigeyi:
PowerMeter as Spider for a two-sided measurement, available for many systems and all that for 320 euros + the usual stuff like VAT and customs. That’s a deal after all.

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