Home POWERBOX PACKS A PUNCH NEW KFX SUPER LIGHT CRANKSET 19 Lug 2019 FSA PowerBox Road Hub The Brand New POWERBOX Road is ready to ride! New catchy black graphic, new chainring combination (for TT and Triathlon too), and also available in SuperCompact version. ARE YOU READY TO UNLEASH YOUR POWER? Now available for download and purchase are the PowerBox Upgrades for the FSA PowerBox giving additional data during the ride and for analyzing your training sessions. Upgrades available are: 1) Bluetooth connectivity available with system upgrade. 2) Spider-based power sensors provide total power output measurement of both legs, with Left & Right leg output analysis available with system upgrade. 3) Pedal Smoothness upgrade, an advanced metric for riders who want to optimize their pedalling. 4) Torque upgrade, that shows the power independent from your cadence.