Delivery in 5-10 business days (EU) Finance available at checkout with humm by flexifi. BONUS! FSA's Carbon arms and BB386EVO spindle mated together to produce a very lightweight, extremely versatile power meter crankset available with a double chaining configuration. Product features Carbon crank arms BB386EVO 30mm AL 7050 alloy spindle fits every frame (purchase BB separately) AL7075 100% CNC chainrings Chromoly 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 Bluetooth connectivity available with system upgrade Axle diameter: 30 mm Suitable Bootom Brackets: PF30, BB30, MegaEvo, MegaEvo Ceramic Battery: CR2450 Running time: 300-400 Hrs. (6.000-12.000 Km) Values: Torquw Cadence Right-Left Accuracy: +/-2 Percent Number of measuring strips: 4 Transmission: ANT+ BCD: 110mm Compatible: Shimano/Sram 10-/11-speed Version (please select): 165mm - 50/34T 165mm - 52/36T 165mm - 53/39T 170mm - 50/34T 170mm - 52/36T 170mm - 53/39T 172,5mm - 50/34T 172,5mm - 52/36T 172,5mm - 53/39T 175mm - 50/34T 175mm - 52/36T 175mm - 53/39T 177,5mm - 50/34T 177,5mm - 52/36T 177,5mm - 53/39T 180mm - 50/34T 180mm - 52/36T 180mm - 53/39T Weight 580g - 751g