Demolitions Revolt cranks were proven and tested by there whole team for a whole year before they were released. They have added a new heat treatment process, thicker tubing and made them with a stiffer shape. All for those that need the security of a stress-free crank. The Demolition crew stands by them and swear they are the strongest cranks they have ridden. ###section### Product Specs Crank Type: 3pc Spindle Diameter: 19mm Includes BB: No Weight: 913g ###shogun-image-section###