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.
Specification Value Module Weight Non-drive Side: 9g (0.3oz)
Drive Side: 16g (0.6oz)
Power Range 0 - 4,000W Cadence Range 30 - 150RPM Communication Protocols ANT+, Bluetooth Operating Temperature 0 - 50°C (32 - 122°F) Storage Temperature -20 - 50°C (4 - 122°F) Battery Type CR2032 lithium ion coin cell Battery Life 100+ hrs Waterproof Rating IPx7, IPx5 Length 37.7mm (1.5in) Width 27.6mm (1.1in) Depth 7.5mm (0.3in)
A 4iiii PRECISION PRO power meter is available ready to ride on any of the crankset configurations listed below. If your desired crankset isn't listed, we may have other products that are compatible.
- Campagnolo Potenza
- FSA K-Force (Carbon)
- Praxis Zayante M30
- Praxis Zayante M30 Turn
- SRAM X01 (Carbon)
- SRAM XX1 (Carbon)
- Shimano 105 FC-R7000
- Shimano Ultegra FC-R8000
- Shimano Ultegra FC-R8100
- Shimano Dura-Ace FC-9000
- Shimano Dura-Ace FC-R9100
- Shimano Dura-Ace FC-R9200
- Shimano GRX FC-RX810
- Shimano XT FC-M8000 1×
- Shimano XT FC-M8100 1×
- Shimano XTR FC-M9000 1×
- Shimano XTR FC-M9020 1×
- Shimano XTR FC-M9100 1×
- Shimano XTR FC-M9120 1×
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. Find an appropriate package for your crank and send it on its way, we recommend a tracked and signed for service.
Shipping instructions will be sent to you with your order confirmation. 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.
Process took forever! The drive side looks installed a bit sloppy, kind of far away from the crank arm. When connecting to app would only pickup one side, batteries supplied was low on one side and completely dead on other. Took a long time to fix the issue (trying to figure out which battery was dead) and get the unit to register as a dual meter. Hopefully all issues are fixed now.
I have been using this power meter for a few months now and can say without a doubt that the entire process was seamless. I was worried about taking my cranks off and sending them away, but they made the entire process easy and simple to do. I could regularly look to see where my cranks were at in the install process and track the shipment when they were being sent back. Once I installed them on the bike, it took about 15 seconds to get it paired to my phone, and Garmin head unit. It could not have been easier. Power readings seem to be accurate and has taking my training to a whole new level. I was use to doing structured workouts on Zwift based on power, and this makes those same work outs easy to do outside. Would highly recommend this power meter!
Received a defective unit. Tried to troubleshot with the service representative who was nice and helpful hence the 2 stars (instead of 1). Troubleshooting did not work ...
I had to return the unit (which was brand new!) to the factory for repair. I lost my bike for over 2 weeks since it was factory install on my only crankset. I had to pay for the shipping which is costly for an item of such value and with all the packing to protect the crankset. In the end, it costed me more than buying the whole package : new crankset with the power meter. I would not recommand factory installation. You better buy the whole thing new from the beginning. If I had known, that is what I would have done in the first place.
24hr shipping to and from 4iiii, around 2 weeks in total. This is my second 4iiii power meter and both work great. Zero drop outs.
Really impressed by the 4iiii powermeter. Opted for the dual-side meter and the entire factory install process was handled efficiently, with the customer portal keeping me up to date every step of the way. Once the meter arrived, I had a minor s/w problem which was quickly resolved by Kerry in support thanks to a pre-ride calibration. Thanks very much!