fsa-full-speed-ahead-powerbox-carbon-power-meter-crankset-172-5mm-11-speed-50-34t-68-fsa-abs-bcd-392-evo-spindle-interface-black
fsa-full-speed-ahead-powerbox-carbon-power-meter-crankset-172-5mm-11-speed-50-34t-68-fsa-abs-bcd-392-evo-spindle-interface-black, FSA Powerbox cranksets feature FSA's proven crankset construction, ANT+ transmission, and 386EVO interchangeability so they can fit nearly any frame.ANT+ transmission developed by Power2maxHollow carbon arms with UD carbon finishAL7075 CNC machined chainringsAL7075 Torx T-30 alloy chainring boltsBattery life is approximately 300-400 hoursEasy to replace CR2450 battery