4iiii PRECISION Shimano XT M8100/8120 Power Meter
$334.99 – $384.994iiii power for your Shimano XT M8100/8120/8130 crankset!
4iiii’s accuracy and innovation paired with Shimano’s top end XTR group set
4iiii PRECISION Shimano XTR M9100 Power Meter
$459.99 – $514.994iiii power for your Shimano’s XTR M9100 or M9120 crankset!
4iiii dual-sided power on a Shimano XTR 9100/9120 cranket!
4iiii PRECISION Factory Install
$324.99Convert your current left side crank arm into a 4iiii power meter!
Convert your current right side crank arm into a 4iiii power meter!
Convert your current crankset into a dual-sided 4iiii power meter!