True value and performance are found in the FSA Tempo Adventure crankset. The cranks are built to serve the recreational rider well and enhance riding enjoyment. Crank arm and spider feature monocoque construction. Die cast aluminum crank arms are lightweight and durable. AL7075 stamped and CNC machined outer chainring. Heat treated chromoly inner chainring. Chromoly chainring bolts. Item Specifications: Pedal Spindle: 9/16", BB Included: No, Chainring BCD: 110, Color: Black, Defined Color: Black, Crank Intended Use: Road,Gravel, Number of Chainrings: Double, Crank Length (mm): 170mm, Rings: 46/30, Drivetrain Speeds: 11, Spindle Interface Type: FSA JIS, Chainline/Hub Compatibility: 130 Hubs,