4iiii Precision 2.0 Power Meter - Ultegra R8000
Average connection time 25 secs
Average connection time 25 secs
These days, the virtue of utilizing a power meter for training is almost beyond debatable. With the accuracy, low weight, and low price offered by the 4iiii Precision 2.0 power meter it’s now a no brainer. If you are looking for a power meter that offers tried and tested pro-worthy technology, at an affordable price, then this is the device for you.
Using a tri-axel strain gauge, the Precision 2.0 measures power output as you put force through the left-side crank arm, to an industry leading accuracy of +/- 1%. What’s remarkable with this device is that its presence adds only 9 grams to the standard weight of a crank arm, satisfying even the most gram conscious bike riders’ need for power.
Arriving pre-installed on the inside of a brand-new Ultegra 8000 crank arm, the Precision 2.0 is barely noticeable. In fact, with a ride-time battery life of over 100 hours, it may be quite some time before you ever do have to pay it any attention. When it does come time to replace the battery, it’s simply a case of replacing the 2032 coin-cell battery, no tools required. Helpfully you can check the battery status via the 4iiii companion app.
As you would expect from a modern piece of cycling tech, it is compatible with most ANT+ and Bluetooth capable devices, meaning you’ll be able to sync it to your chosen bike computer, indoor trainer, and/or laptop/PC, and use it for training and racing indoors and outdoors.
Whether you’re looking to quantify your training or pace yourself up Alpe d’Huez, then the 4iiii Precision 2.0 3D would be a great addition to your bike.
- Lightweight, weighing only 9 grams
- 3D technology equipped power meter
- Power data accurate to +/- 1%
- Compatible with ANT+, Bluetooth head units, smart phones, PCs, indoor trainers
- User-friendly app
- Easy set-up and maintenance
- 100+ riding hours on 2032 coin cell battery
- Battery life indicator via 4iiii companion app
- Compatible with all Shimano road crank sets
- Precision 2.0
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.
You can also check the status of your order and individual items by accessing your account details and following the prompts.
Please allow 10 working days from the shipping date of your order before notifying us of any late deliveries.
It may be advisable to check with your neighbors to see if your delivery has been left with them, check any places it could be left such as: garage, porch, or behind garbage cans if it was too big to fit through your mailbox. Contact your local post office to see if the item has been returned to the depot as undelivered and awaiting collection.
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 love riding using a power meter and the 4iiiii helps me achieve this goal. Very easy to install and calibration was a breeze. And the price is very reasonable. Now I don’t have to rely on my Elite Suito smart trainer to know my wattage and cadence since I can now see how hard I’m doing outdoors. Very happy with my purchase!
Easy to install and works well - no issues connecting to Wahoo Elemnt head unit, power data seems accurate, though don't use this bike on the trainer to compare. Provides power and cadence data. Haven't had to change the battery (only had for 2 months), but the compartment opens easily enough
Fit Canyon Endurace CF SL 8.0
This didn't fit my bike. The power meter rubs against the bottom horizontal frame member. On checking the Canyon site it does say this, too late for me since I bought on the strength of my sons CF SLX which fits. Bought 1.5mm of shims and it runs clear now.
4iiii Power meter
The product arrived intact and took about a month to ship. Looks fine and aaaume it will work as described. Hard to evaluate as it’s winter and I won’t get a chance to use for another few months. A review mid summer would be far more useful.
Power meter 4iii
Good price for Ultegra crank , easy set up , interacts with Garmin 810 straightaway very useful data 👍
Inconsistent power readings. Essentially an expensive cadence sensor. Don’t buy.
All it said it would be
I have recently purchased the 4iiii left side ultegra power meter. After reading the positive reviews, I went ahead and purchased the power meter which includes the left crank arm. After fitting the arm by following the instructions and a quick you tube video, I was up and running. the meter clicked in as specified by the instructions. So far, no problems whatsoever. Extremely pleased and works well with my Wahoo Roam. I currently ride over 300 kms per week so the power meter gets a good workout.
Great value, and from what I hear power measurement is more accurate than similarly priced single-leg meters. Installation couldn't be simpler, and setup/integration is dead-simple. Just check your bike to make sure you have adequate chainstay clearance for this power meter, the module in the crankarm sticks out a bit more than others. 4iiii has a print-out guide that you can use (along with a AAA battery) to ensure you have adequate room for this power meter. Not being able to use it on my Canyon road bike was disappointing (should have researched the matter first), but the meter fit fine on my cyclocross bike which had plenty of room for it.
Power meter 4iiii ultegra
Awesome piece of kit, love the feedback for training
Accurate data, improved training
Super quick delivery and exactly as described. Took it to my LBS to fit (probably could have done it myself - instructions made it sound super easy) and have enjoyed the extra info the power meter feeds to my Wahoo Bolt. Cadence and power info is helping lift my training and I am already noticing more consistent effort during rides, particularly on hills. Really happy with this purchase and will buy again from Probikekit.
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