FSA PowerBox cranksets use proven power2max® power meter spider technology for precise power measurements, combined with proven FSA crankset construction featuring the innovative BB386EVO 30mm spindle system that fits any frame.
Spider-based power sensors provide total power output measurement of both legs, with Left & Right leg output analysis available with system upgrade*.
The FSA PowerBox BB386EVO power meters are the first choice for riders wanting ease of use, precise and reliable power measurement and robust construction.
• Hollow carbon arms with UD carbon finish
• BB386EVO 30mm AL7050 Alloy spindle fits every frame (purchase BB separately)
• AL7075 100% CNC chainrings
• AL7075 Torx T-30 alloy chainring bolts
• Q-Factor 149mm
• Chainline 44mm
• BCD 110mm ABS
• Fits 10&11 speed systems
• Weight 733g
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