4iiii PRECISION Left Power Meter, Shimano - Ultegra FC -R8000 - Options.
Note: This is a special order that we will ship in approximately a week.
A ride ready PRECISION pod is already preinstalled on a brand-new Shimano crank arm at our factory. The moment you order, our fulfillment team will get it on its way to you, and you should be able to ride with power as soon as it arrives.
Important:You need to use the frame clearance pages below to ensure there is space between your crank and frame for the PRECISION pods.
In The Box
Once your ride-ready PRECISION powermeter arrives, it just needs to be installed on your bike using the standard Shimano crank installation process. Connect a headunit or computer, and you can start riding with power!
Tip:If you're unsure, a bike shop would be happy to aid you in the installation process.
If the weather or climate make riding outdoors tough, your 4iiii PRECISION powermeter 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!
Module Weight 9g (0.3oz)
Power Range 0-4000W
Cadence Range 30-150RPM
Communication Protocols ANT+, Bluetooth
Operating Temperature 0 to 50°C (32-122°F)
Storage Temperature -20 to 50°C (4-122°F)
Battery Type CR2032 lithium ion coin cell
Battery Life 100+ hours
Waterproof Rating IPX7, IPX5
Length 37.7mm (1.5in)
Width 27.6mm (1.1in)
Depth 7.5mm (0.3in)
Because 4iiii PRECISION powermeters are mounted on the inside of your crank, there needs to be enough space between your crank and the frame for the pod to fit. Print and use the clearance guides below to check your frame.
Tip:Often a right-side power meter installation has more clearance and may be suitable if your bike does not appear to have enough space for a left-side installation.
Tip:4iiii PRECISION 3 powermeters have a much lower profile and may fit where a PRECISION does not.
4iiii PRECISION power meters use both the ANT+ PWR and Bluetooth Smart Cycling Power Service standards, which makes them compatible with nearly every headunit, smartphone, or computer you wish to connect to. Check your recording device documentation for ANT+ PWR or Bluetooth Smart (also called BLE, BTLE, or BT4.0) Cycling Power Service capability.
Tip:A 4iiii Viiiiva can be used to record your workouts along with your heart rate.
A 4iiii PRECISION powermeter 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. Use the interactive tool below to discover them
3D POWER MEASUREMENT
When you put force through your pedals or crank, it doesn't just bend the crank - it twists and flexes in all 3 dimensions. 4iiii's patented 3D power measurement system measures this multidimensional strain, so you can be confident that your unique pedal stroke is still measured accurately no matter your riding conditions.
INDUSTRY LEADING ACCURACY
Our +/- 1% accuracy isn’t just a claim, it’s been third party tested and validated by leading scientists and the Locomotion Lab at the University of Colorado. You can plan your training, pacing, and racing with confidence knowing that your data is always going to be consistent. Don’t limit your potential with unreliable data. Want to learn more? Read the whole whitepaper!
DUAL-CHANNEL ANT+ & BLUETOOTH SMART
4iiii Powermeters communicate their measurements over both the widely-used ANT+ and Bluetooth Smart radio standards, letting you read and record your power numbers on an enormous catalog of headunits, sportswatches, smartphones, and computers.
All our products are professionally packed and shipped with tracking number and insurance. Lafo Bikes is offering you high end bikes, frames, parts & accessories that we love. We are selling only genuine products, no copy or replica. Our goal is to offer you the best price on amazing bikes.
All orders are processed within 2 business day (excluding weekends and holidays). You will receive another notification when your order has shipped. Items are shipped from our Canada or USA facilities, based on stock availability and your location.
We offer two shipping options to get you what you need, when you need it. Expected delivery times for North America are listed below:
Standard | 4-8 business days
Expedited | 2-3 business days
We also ship internationally! Please refer to our FAQ for further details.
Enjoy shopping with our 30 day money-back guarantee!
In the unfortunate event that you want to return an item, please contact our customer service department within thirty (30) days of receiving your items at email@example.com. Don’t hesitate to call us if you’re wondering if an item can be returned. We’ll gladly answer all your questions.