Bicycle Triple Chainwheel Cotterless Description: The triple chainwheel cotterless crankset is a versatile and efficient drivetrain component designed for geared bicycles, especially mountain bikes, hybrid bikes, and touring bikes. It features three chainrings (typically 24T-32T-42T or 28T-38T-48T) that provide a wide range of gearing options to handle various terrains—from steep climbs to fast flats. Built with a cotterless crank arm design, it fits square taper bottom brackets, offering