Originally Posted by RecceDG

Xmas is coming; the goose is getting fat.

But I'd rather not - and I'm becoming convinced that a power meter would help me do a better job of workout evaluation.

I already have a Garmin 705, so I have an ANT+ headunit capable of recording from an ANT+ transmitter - don't need a headunit.

What's the cheapest/best way to add power recording to this setup?

DG