- 4iiii power on a Shimano GRX RX810 right side crank arm!
Favero Assioma UNO Upgrade Pedal
$485.00Convert your UNO into a complete, dual-sided system, just like the DUO- The first and only dual-sided Shimano’s GRX power meter 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!
- Bringing Stages power to carbon FSA 386 EVO cranks!
- The most affordable crankset capable of measuring independent left/right power!
- The Stages Shimano 105 R7000 offers Stages performance at a great value!
- 4iiii's left/right power measurement on Shimano's top-end DURA-ACE 9100 crankset
- Made specifically to work SRAM 1x and 2x GXP MTB cranks