£196.99
A super-accurate output gauge for the performance-focused rider, this Shimano-compatible crank arm by 4iiii keeps an eye on your power, cadence and speed to keep you at the cusp of peak performance.
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Shimano 105 R7000 Alloy
+/- 1% error margin
100+ hours on 2032 coin cell battery
ANT+, Bluetooth
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