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The Vector was the world’s first power meter pedal but it wasn’t perfect. For the revised version Garmin has added lots more analysis and changed the pods, which proved very robust.
Transferring between bikes isn’t as quick as with PowerTap’s P1s, but still takes only a few minutes. As well as having to mount the pods, you also need to torque the pedals correctly to 40Nm. That’s higher than normal and you can’t afford to get it wrong, as the Vectors will read incorrectly if not tightened to spec. Each pod takes a CR2032 battery.
The Vector 2 requires an ‘installation ride’ to teach the pods the precise angle they are set to in relation to the crank. This only takes about 30 seconds, then your computer asks you to confirm crank length and do a manual zero offset calibration.
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The Vector 2 is also available in a single-sided Vector 2S as a more affordable entry point that can then be upgraded to a dual-sided system. You can also upgrade your original Vector pods to V2.
The new Cycling Dynamics features are interesting. Using a Garmin Edge 1000 you can see live displays of your left/right power, stroke efficiency (Power Phase) and seated/standing splits. Some of this is a bit gimmicky and only there because it’s possible, but the Power Phase feature is useful, especially if you’re a newer rider working to develop a smooth spin.
The Vector 2 performed well for lots of rides but also gave us a fair bit of grief. It’s sensitive to temperature and it also over-read sprint efforts of over 900W by as much as 30% compared to two other meters when it had tracked alongside them for the rest of the ride.
You can read more at BikeRadar.com
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