4iiii Precision 3+ Non-Drive Power Meter - Dura-Ace R9200
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4iiii Precision 3+ Non-Drive Power Meter - Dura-Ace R9200
4iiii Precision 3+ Non-Drive Power Meter - Dura-Ace R9200 Info
The 4iiii Precision 3+ Non-Drive Power Meter - Dura-Ace R9200 takes your existing Shimano crank and turns it into a data source — without replacing what's already a high-performing component. The strain gauge is bonded directly to the non-drive side arm, keeping the profile low and the weight addition minimal. If you're already running a Dura-Ace R9200 groupset and want power data without the cost or complexity of a full double-sided system, this is the most direct route.
The Precision 3+ transmits via Bluetooth and ANT+, so it pairs with head units, smartwatches, and training apps without adapter dongles or proprietary receivers. Battery life is rated to last through a full season of regular riding on a single CR2032 coin cell — a coin cell you can swap yourself at home.
4iiii Precision 3+ Non-Drive Power Specs at a Glance
- Compatibility: Shimano Dura-Ace R9200 crank arm
- Measurement: Non-drive side single-sided power meter
- Connectivity: Bluetooth and ANT+
- Battery: CR2032 coin cell, user-replaceable
- Crank Length Options: 165mm, 170mm, 172.5mm, 175mm
