Replaces Cannondale part #K33049 and KP419. SuperX Series (w/ DT M12x1 TA) - 2017-2018. Compatible with Cannondale Models. Beast of the East (w/ DT M12x1 TA) - 2016-2017. For bicyles fitted with the double lead 12 x 1.0 Standard Thread Axle (not speed release).
