4iiii Precision 2.0 3D Power Meter - 105 R7000 - Black
Usually dispatched within 24 hours
Average connection time 25 secs
Average connection time 25 secs
Improve training performance with a 4iiii Precision 2.0 3D 105 R7000 Power Meter. By employing 3D power meter technology and a triaxle strain gauge on the crank arm, this 4iiii power meter measures the amount of power you're putting through the pedals to +/-1% accuracy, so you can ride harder, faster and further.
Fortunately, this crank-based power meter is also incredibly easy to fit. Simply slotting on just like a regular Shimano 105 crank arm, this 4iiii power meter is an ideal choice for home mechanics. Similarly, being both Bluetooth and ANT+ compatible, this 4iiii power meter can be used with almost any bike computer and would make a great addition to any existing setup.
Weighing just 9 grams, this 4iiii power meter is a perfect match for any 105-equipped performance road bike. Powered by a simple coin-cell battery and accompanied by a dedicated smartphone companion app, this 4iiii power meter is incredibly easy to set up, use and maintain.
- 3D power meter technology measures tri-axial strain on your crank arm
- Accurate to +/- 1%
- Weighs just 9 grams
- Compact design
- Battery status indicator via 4iiii app
- Compatible with ANT+, Bluetooth Smart head units, smartphones, and other 4iiii products
- User-friendly app and configurable rider compensation scale factor
- 100+ riding hours on 2032 coin cell battery
- Easy setup and maintenance
How long will it take to arrive?
Please check the stock availability notice on your item when placing your order. This item is: In stock
Express Delivery Available If ordered before 8pm, delivered by courier next working day. Available on orders placed before 8pm (2pm weekends and Bank Holidays) for delivery next business day. Applies to most delivery addresses within mainland UK.
How will I know it has been sent
You will receive an email to confirm when your item has been sent.
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Please allow 10 working days from the shipping date of your order before notifying us of any late deliveries.
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If I'm not completely happy with my item?
Please see our returns policy.
Top Customer Reviews
Where reviews refer to foods or cosmetic products, results may vary from person to person. Customer reviews are independent and do not represent the views of The Hut Group.
I was so pleased with the first one that I bought another for my gravel bike. At l last I have power figures for my off road activities as well as on road. No more Strava estimates. 5 minutes to fit and a small spacer gave chainstay clearance on my Canyon Grail on Ultegra crankset.
Finally I bit the bullet. The cheapest option was a 105 single sided left crank for my Ultegra group set. I can't say how delighted I am. My reservations about single sided have gone completely. I've adjusted the calibration to account for a discrepancy in my left leg output and to be honest it's just what I need. Fitting and setting up were super easy. Battery life seems good and it's no problem carrying an emergency back up CR 2034 as they weigh nothing. It took one spacer to give me chain stay clearance on my Canyon Ultimate. I have instant feedback on my effort and now resist the desire to go harder than I should during recovery rides. I also get an immediate comparison between my heart rate and my power and can see change over time. Why didn't I do it before?
Inexpensive And Effective
I’ve never used a power meet other than what’s built in on my smart trainer. The addition of this power meter to my outdoor rides have aided me with monitoring my effort and pacing. It works and does what it’s suppose to do. I’m happy with it.
I actually wanted the Stages left crank power meter, but couldn’t get one in a 170, so I went for the DIiii. So far it has been excellent. The readings seem accurate. The only issue is that I need to calibrate it every ride on the Garmin.
Crankarm power meter
Works as expected. Mounted this 105 4iii unit on my Ultegra drivetrain and it works great.
Excellent product. Great way to use power figures.
I highly recommend this product. Very easy to install on my 6800 crank and perfect connection with Garmin 520 Edge Plus. Power readings appear to be spot on (very close to my home trainer PM) with zero drop outs. Time will tell about longevity but already used in cold and rainy weather and no problems at all. A really solid purchase and at an excellent price from PBK.
4IIII power meter.
Wasnt sure about the power meter but decided after christmas to invest. Using it together with garmin530 and Training Peaks to improve my training. Before this was doing a load of junk miles but with darker days I use it more for indoor training and to increase strength and cadence Easy to fit. Linked to garmin easy enough and away you go... Great investment, cheapest out there and effective for my needs.
Exactly what it says on the tin.
I've bought 2 of these for the winter bike and my race bike and they're spot on. I highly recommend this product. The factory reset is a handy tool and is sometimes required after changing the battery. I've had no issues with them and the support from 4iii is excellent if ever you need it. Reasonably priced and accurate readings. Quick and easy to link to Garmin and battery lasts for ages!
Brilliant and Cost Effective
Easy to install and connect to cycle computer. Yes dual sided would be nice but this is a fraction of the price and all you need for targeting Power Zones on training rides or to pace yourself. Particularly useful for recovery rides so that you can ensure you are riding with low enough power to make the ride effective. Riding with Power has taken my training and riding to the next level, and the 4iiii was a cost effective way to achieve this.
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