4iiii adds 'Apple FindMy' compatible dual-sided power meter to its Precision 3+ range

Pro model will feature on top-tier Specialized Shimano-equipped bikes as well as crankset and factory install options

4iiii Precision 3+ Pro power meter on a Shimano-equipped bike
(Image credit: 4iiii)
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4iiii Innovations Inc. has launched a new dual-sided power meter, the Precision 3+ Pro.

Compatible with Apple’s Find My tracking service, it promises accurate readings ±1%, achieved using the Canadian brand’s patented 3D staring gauge technology to “measure all forces in your pedal stroke”.

4iiii Precision 3+ Pro power meter

(Image credit: 4iiii)

By adding a left/right balance, alongside metrics that include pedalling smoothness and torque effectiveness, 4iiii says the power meter offers a “more detailed training and performance experience”. To further aid this experience the Precision 3+ Pro uses an automatic terrain selector, which is designed to detect the terrain you're riding on “for more responsive cadence and power feedback/data”.

4iiii Precision 3+ Pro power meter fitted to a bike

(Image credit: 4iiii)

Weighing a claimed 29g, the power meter boasts a battery life of up to 550 hours alongside a IPX7 waterproof rating and a 3-year warranty. 4iiii says its low profile design makes it compatible with more bike frames “than ever before”.

Helping to illustrate this, the Precision 3+ Pro will feature on several of Specialized’s Shimano-equipped bikes, including the S-Works Tarmac SL8, Roubaix and Aethos models.

“I’m proud that Specialized recognizes the capability of 4iiii’s new power meter and for it to be selected to equip the flagship consumer S-Works bikes for us is the biggest accolade,” said 4iiii President and CEO Phil White.

4iiii Precision 3+ Pro power meter fitted to a Specialized S-Works Tarmac SL8 road bike

(Image credit: 4iiii)

For those looking to add the new dual-side power meter to their current set-up, ‘ride ready’ and ‘factory install’ versions of both the Shimano Dura-Ace 9200 and Ultegra 8100 models will be available at launch. 4iiii says that Shimano XT, XTR, GRX - both 1x11 and 1x12 - Ultegra 8000, Dura-Ace 9100 versions “will then join the factory install lineup in the coming months”. For clarity, ‘ride ready’ are cranksets with the power meter pre-installed, while ‘factory install’ allows you to send your crankset to 4iiii or a select retailer to have the power meter installed.

The Ride Ready 4iiii Precision 3+ Pro Dura-Ace R9200 power meter crankset retails at US$ / £ 1,224.99, while the Ultegra 8100 model costs $949.99 / £949.99. Alternatively, Factory Install versions retail at $529.99 / £529.99.

For more information you can read our full review of the iiii Precision 3+ Pro or visit 4iiii.com 

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Luke Friend
Freelance writer

Luke Friend has worked as a writer, editor and copywriter for over twenty five years. Across books, magazines and websites, he's covered a broad range of topics for a range of clients including Major League Baseball, Golf Digest, the National Trust and the NHS. He has an MA in Professional Writing from Falmouth University and is a qualified bicycle mechanic. He has been a cycling enthusiast from an early age, partly due to watching the Tour de France on TV. He's a keen follower of bike racing to this day as well as a regular road and gravel rider.