4iiii Precision 2.0 Power Meter - Ultegra R8000

GBP 234.89

RRP £299.00

£234.89

Save: £64.11

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Usually dispatched within 24 hours

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Average connection time 25 secs

Average connection time 25 secs

These days, the virtue of utilising 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.

Product Features

  • 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
Range:
Precision 2.0
Discipline:
Road
Shimano
Brand:
4iiii

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


If ordered before 11pm, delivered by courier next working day.

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 My Account details and following the prompts.

Please allow 10 working days from dispatch of your order before notifying us of any late deliveries.

It may be advisable to check with your neighbours to see if a parcel has been left with them, check any outhouses you might have where it may be left if it cannot fit through your letterbox and contact your local sorting 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.

Customer Reviews

Overall Rating : 4.53 / 5 (17 Reviews)
  • 13 5 star reviews
  • 2 4 star reviews
  • 1 3 star reviews
  • 0 2 star reviews
  • 1 1 star reviews
See all reviews

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.

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 👍

Garbage

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.

High-Clearance Required

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.

It just works

Had a crank based power meter that stopped working. This is nice and simple and seems to give consistent power figures. Defo recommend and don’t listen to the dual sided power argument Sky used single sided power for years and won everything. Great value particularly with a voucher code. Or just buy the 105 version

It just works.

I had an old pedal based power meter - it was always dropping the signal, chewed through batteries, was a pain to clip in and out of, and weighed a metaphoric ton. Thrilled with the 4iiii meter - a snap to install and calibrate, was able to re-install my old (but brand new) Ultegra pedals. Not only does the power meter "just work", the sure and consistent feel of my Ultegra pedals removes that old aggravation. Price, ordering, and delivery were all very easy. Added benefit: Love supporting a small Canadian company that is producing such a great product.

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