Affiliate Disclosure: PickClarity earns commissions from qualifying purchases through our partner links. Our rankings are editorially independent — they are never influenced by affiliate relationships or commission rates. Learn more about our methodology.
#3 in Cycling Power MetersBest Value
4iiii Precision 3+ Left Crank
4iiii
$300.00 – $400.00
Left-side crank-arm power meter for Shimano 105, Ultegra, and Dura-Ace cranks with +/-1% accuracy and 800-hour coin cell life. Adds only 9 grams and doubles as an Apple Find My beacon.
9.0
Excellent
Consensus
Don't buy this if…
- Avoid it if your left-right imbalance exceeds a few percent, since single-sided doubling will skew every workout.
More in Cycling Power Meters
View all →4iiii Precision 3+ Left Crank
From $300