´´When Only The Best Will Do Is The Reason Fsa Developed The K-Force Light Series. Featuring The Latest Advancements In Carbon Composite And Metal Alloy Technology Coupled With State-Of-The-Art Manufacturing Processes, K-Force Light Components Showcase The Epitome Of Fsa´S Dedication To Advancements In State-Of-The-Art Product Design, Engineering And Manufacturing.Complete Range Of Combinations:- Along With The Continuing Standard 53/39, 52/36 And 50/34 Options, K-Force Team Edition Cranks Are Available In A Supercompact Version.Elegance:- The 3k Carbon Finish And Updated Make The K-Force Team Edition Look As Good As It Performs.Stiffness:- The K-Force Team Edition Road Crankset Features Hollow Carbon Fiber Arms For Incredible Stiffness And Minimal Weight.Features:- Hollow 3k Carbon Fiber Arms- Carbon Composite Arms- Al7075 100% Cnc Chainrings- 30mm Cnc Machined Al7050 Bb386evo Spindle- Outer Chainring: Direct Mount- Optimized For 11 Speed, 12s Sram SystemsSpecifications:- Material: Carbon- Discipline: Road- Series: K-Force- Compatibility: Bb386evo- 11s: 53/39, 52/36, 50/34, 48/32, 46/30- 12s: 53/40, 52/39, 50/37, 46/33- 556 Grams (50/34t)