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Shimano XT 8100 PRECISION 3+ Left-Side Power Meter

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Why We Like The 4iiii Shimano XT 8100 PRECISION 3+ Left-Side Power Meter

From watts to calorie burn, the 4iiii Shimano XT 8100 PRECISION 3+ Left-Side Power Meter accurately measures our data, using three strain gauges to ensure a +/-1% accuracy. Its automatic terrain selector offers an easy transition between smooth pavement and rough trails, while the IPX7 waterproof rating keeps us riding through rainy conditions. What we like most is its 800 hours of battery life, allowing us to ride for long stretches without worrying about a last-minute charge.


  • Measure up to 4,000 watts and 170rpm with this high-performance power meter
  • Uses 3 strain gauges to measure power with a +/- 1% accuracy
  • Ultra-low profile design for high bike compatibility
  • Automatic terrain selector provides better feedback and
  • Hefty battery life of up to 800 hours for long-lasting use
  • Works in the toughest conditions with an IPX7 waterproof rating
  • Item #FII000S
Powermeter Type
Shimano XT M8100
IPX7 waterproof, ANT+, Bluetooth
Accuracy (+/-)
+/- 1%
CR2032 Coin Cell
Operating Time
non-drive side crank w/power meter
Claimed Weight
[power meter] 0.31oz (9g)
cross-country, trail, enduro
Manufacturer Warranty
3 years

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