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Average connection time 25 secs
Average connection time 25 secs
Thanks to the new 4iiii Precision 2.0 3D power meter, training with accurate power data doesn't have to cost the earth. Finally, anyone can train harder and ride faster for a podium topping performance. 4iiii claims that the Precision 2.0 3D unit is the lightest power meter on the market, perfect for those chasing every marginal gain. Weighing just 9-grams and fitting so neatly on the inner side of the standard Shimano 105 5800 crank arm; you'll barely notice it's there.
Inside the unit contains the patented 3D technology, which measures your power output to +/- 1% accuracy, via an axel strain gauge. Because of this high level of data accuracy, the 4iiii Precision 2.0 3D allows you to train with much more consistency and achieve the best possible results. Powered by a replaceable 2032 coin-cell battery, the Precision 2.0 3D contains 100+ hours of riding and can easily be checked for remaining battery life via the dedicated 4iiii companion smartphone app. 3rd party training device and app integration are endless. As you can pair this power meter with almost every ANT+ or Bluetooth head-unit, trainer or training app, there's no need to worry about the compatibility of your new power meter with your current equipment set up.
To ensure your frame has sufficient clearance for this power meter, please check this guide before purchase
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19 ReviewsSee all reviews
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I bought this when on offer, great price been looking for one for several years but prices were far too steep. The power meter itself works as it should out of the box, being skeptical about the function over the price but it works perfectly. Checked the power meter against my Tacx Neo turbo trainer and its bang on watt for watt. My main purpose of the power meter was for when I was out and was struggling and could not put it down to fitness or external elements like wind. So all in all great bit of kit works as it should.
I really like how straight forward this is to use. The instructions are really easy to follow and it's easy to use. Back pedal to wake it up and sync with your cycle computer and you're good to go on a bike ride. It's the second one I've bought!
Great product everyone on the fence for buying a power meter, do IT, this purchase is making me into a new cyclist relearning where my power is on the pedal stroke. One regret, I should have not waited as long to buy it. Seamless integration to Zwift, Garmin devices, phone app.
Device delivered to Canada in just over a week. Installation a breeze. Supplied battery died in a couple of days but I suspected it would. It works as intended on my Garmin 520. Crank is lighter than my original so that's a bonus.
Great product. My second 4iii powermeter. Works perfectly.
The product arrived flawless in it's box as a 4iiii precision meter bonded nicely to a new 105 5800 crank arm. It came with a battery pre-installed and an extra battery wrapped to the packaging. Following the easy step by step instructions on the box it paired immediately with my Garmin 530 and has worked without fail. Great product!
Bought one from PBK last year. No problems at all. It's reliable, stable, light, sealed properly and delivers consistent results. Battery life is also very good. I had previous experience with Stages gen. 2 and in my opinion 4iiii is superior to Stages. For the price there's no better powermeter for Shimano users. Highly recommended.
This is my second 4iiii power meter. I was in on the original kickstarter offering, and mailed them my crank arm for installation. Works great, no issues. Seems to have better battery life than my Stages. Tested the first one against my Power Tap hub, and they numbers were very close. Highly recommended.
Got it at very affordable price. Easy to install, calibrate. Did few outdoor ride and Zwift session, it work just great! Highly recommended.