How Does It Work?
Through our custom install process, PRECISION can be installed on a wide variety of crank arms. We’ll work with you to determine the best fit for your bike frame. Once you place your order, we get in touch with the shipping logistics. You’ll then send us your left crank arm, we install a PRECISION Powermeter on it, and we ship it back to you.
Important: You need to use the frame clearance guides to ensure there is space between your crank and frame for the PRECISION pod.
In The Box
After a factory installation, your crank arm will be returned to you with a PRECISION Powermeter pod attached and ready to ride. Reinstall the crank arm back onto your bike, connect a headunit or computer, and you can start riding with power!
Warranty & Durability
Ridden through rain storms at Strade Bianche, mud filled cross country mountain bike races, and even tested amidst the salt spray of the ocean on Oracle Team USA’s America’s Cup competitors, you can be assured that your 4iiii power meter will be as tough as you are and is backed with an industry leading 3-year warranty. All 4iiii power meters are IPX7-rated for water immersion up to one meter and backed with an industry-leading 3-year warranty.
Feature PRECISION Type Non-drive Side - - - CR2032 Coin Cell 100+ hrs IPx7, IPx5 Cadence Rating 30 - 150 rpm Power Range 0 - 4,000 W 7.5 mm 9 g Operating Temperature 0 - 50 ºC Storage Temperature -20 - 50 ºC
- Protected against low pressure water stream from any angle.
- Withstands incidental exposure to water of up to 1 meter for up to 30 minutes.
If the weather or climate make riding outdoors tough, your 4iiii power meter can be used with all popular indoor-training apps, such as Zwift, TrainerRoad, Wahoo SYSTM, Rouvy, and more. Simply use your favourite app’s connection procedure over ANT+ or Bluetooth Smart, put your bike on a trainer, and get riding!
Before purchasing, confirm there is enough clearance between your crank arm and your bike frame for the power meter pod to fit. To ensure clearance and compatibility, you will be required to send us a photo of a successful clearance-check before sending us your crank or crankset. If unsure, contact us for help.
Shipping instructions will be sent to you with your order confirmation, including the UK address to send your crank to, including the Benelux address to send your crank to. Find an appropriate package for your crank and send it on its way, we recommend a tracked and signed for service.
Manufacturing & Installation
Your crank will have the pod attached using the exact tools, techniques, and staff we use on all our products, and must pass all the same high quality checks. Manufacturing should take about 7-10 business days, and you will be given a tracking link so you can follow your crank through the process.
Shipping Back & Reinstallation
Once manufacturing is complete, we will ship your crank or crankset back using the shipping method you selected at checkout. As soon as you receive it, you can reinstall it on your bike.
I actually have two Precision power meters, one on my gravel bike and one on my road bike. Both are using SRAM AXS Force cranks.
I've never had any issues with either one, they simply just work every time I ride. The battery seems to last a long time, I don't think I've changed the one on my road bike and it's been on for over 1 year. I don't remember changing the one on my gravel bike which is now well over 2 years old but maybe I have.
I think the main point is that I don't think about them, they are there and they connect immediately to my Garmin and they just do their job without any issues.
Just ordered a third Precision power meter form 4iiii. The first two failed in an identical manner outside of warranty with ~3 years use each. I only hope that this new one will last a little longer. Thankfully, 4iiii offered a discounted price this time around due to the failure. My recent new purchase started out uneventful, like both of my previous purchases with overnight FedEx shipping (my crank) to 4iiii. I was not given any time frame for installation so after 1.5 weeks without any update I contacted 4iiii to see if they could provide an apprx time frame for installation. They told me their current backlog was putting installations out two weeks. In the past it was more like 2 days, but I suppose that's the way things go these days? Sure enough, at 16 days after receipt by 4iiii my install was complete. A couple of days after that 4iiii started shipping process back to me. I'm without a bike throughout this process so the timing isn't exactly what I wanted, but logistics are just different these days so I know I've got no choice but to roll with it. Here's the hitch... 4iiii sent my crank back via Canada Post 14 days??? Total time without a bike... Five Weeks! After two product failures and sloooow shipping decisions on my current order, I'll look for other options next time I'm in the market for a power meter. Not sure what happened to these guys, but this time around is like night and day compared my past experiences.
I've been very happy with the 4iiii experience from start to finish. It came highly recommended from the community and has been an excellent addition to my training toolkit. The order and install went very smooth. I shipped my crank to 4iiii the night before a three week vacation and the crank was waiting for me when I returned. I re-installed my crank and the 4iiii lit up on first pedal and connected to my Wahoo computer flawlessly. It's been great having this additional metric on my rides and is helping me maintain my conditioning. Sweet product, excellent customer service, and a great price.
Works as described but I don't think I ever got 100 hours of use from any single battery. Not sure if this is normal or not. I have the same left side only on both of my bikes. The power meters do work very well though and seem to be very accurate.
The process worked as described. As soon as I placed my order, I was emailed detailed instructions on how to ship, along with the customs paperwork required. Their tracking app kept me updated on progress and I had my crank arm back within a few weeks. The power meter works great and the software is easy to use. You can even adjust for your Left/Right imbalance if you know your percentage from a 2-sided meter. Overall, a great experience.