The Fly Dolmen cranks are the first cranks to feature a one piece invest cast pedal boss which means there is no welding on the pedal boss, this will make it stronger and gives the arms a smooth and clean look. They also feature Flys bend resistant D shape arms, 2.5 axle system, Cromoly 4130 CNC internally machined spindle and Heat treated CNC machined bolts with sink allen hex. ###section### Product Specs Crank Type: 2.5pc Spindle Diameter: 22mm Includes BB: No Weight: 863g / 30.4oz ###shogun-image-section###