Shimano Claris FC 2403 50X39X30t 8 Speed Crankset Silver. The world's leading bike part manufacturer is at it again with the Shimano Claris FC 2403 triple crankset for 3x8 speed drivetrains. Designed to be durable and maintenance free, this crankset features lightweight, aluminum crank arms for speed and steel chain rings for durability. The triple SG X chainrings, 50x39x30t, feature strategically placed chain pick up pins and tooth profiles to ensure responsive shifting, and the Octalink bottom bracket interface delivers increased rigidity. The triple chainrings will give you plenty of gear options for climbing, accelerating, and reaching top speeds, and it's compatible with super narrow, 8 speed Hyperglide HG chains. For your road or sport bike, this triple crankset will make your rides a breeze.