FSA omega adventure crankset The Omega crankset delivers fashion and function into an attractive price conscience crankset. With sleek styling, robust industrial design elements, and 11-speed compatibility, the Omega supplies you with the latest shifting technology. The die cast aluminum crank arms and alloy chainrings means that this crankset comes in at a respectable weight without sacrificing strength. As always, FSA is at the top of their game when it comes to chainring design. Each chainring is designed to deliver the smoothest performance and the sharpest shifts available. NOTE: BB not included Features 11 speed compatibility is designed to work with the latest shifting technology Die cast aluminum crank arms is lightweight without sacrificing strength Chromoly chainring bolts No worries about snapping bolts here Compatible with Shimano 10/11s, Sram 10/11s, Campagnolo 10s SPECIFICATIONS Speeds 2 x 10/11 BB Compatibility Mega EXO Chain Ring Options 50x34t Crank Arm Length 170/172.5/175 BB Spindle Interface Mega EXO, 19mm Crank Arm Material Aluminum Bolt Center Diameter (BCD) 120.90 Chainring Material Aluminum Chainline - Intended Use Road Weight 871g