FSA’s ROAD PowerBox Alloy Crankset employs a P2M convertible spider design for multiple chainring options. FSA's hollow carbon arms and BB386EVO spindle mated together produce a very lightweight, extremely versatile power meter crankset available with a double chaining configuration.
- Cold forged AL6061/T6 aluminum crank arms
- BB386EVO 30mm AL 7050 alloy spindle fits every frame (purchase BB separately)
- AL7075 100% CNC chainrings
- AL7075 Torx T-30 alloy chainring bolts
- Fits Shimano and SRAM 10-11 speed systems
- Spider-based power sensors provide total power output measurement of both legs, with Left & Right leg output analysis available with system upgrade
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