The redesigned Full Speed Ahead Gradient Modular 1x crankset features hollow aluminum crankarms manufactured using an innovative CNC machining process that results in a dramatically reduced weight increased stiffness and a 40% increase in strength. Combining cutting-edge materials precision engineering and athlete insights the Gradient crankset is built for the toughest Enduro and DH courses while delivering maximum performance.Ultra-lightweight DH-rated crankarms feature two aluminum forged halves with precision CNC hollowing and advanced bonding technology to ensure exceptional strength and minimal weightManufacturing process dramatically reduces weight increases stiffness and provides a 40% increase in strengthForged 7050 aluminum 30mm BB392EVO spindle is strong and lightweightHard anodized arms for increased durabilityModular Crank System features a built-in adjustable chainline (52-55mm)177mm Q-factor