Cannondale Gear Mech Derailleur Hanger. Condition is New. Dispatched Royal Mail 2nd Class. This listing is for 1 x hanger including bolt (as pictured) Replaces Cannondale Part Numbers KP419 / K33049 Wheels Manufacturing #303For M12 x 1.0 Thread Pitch Thru-Axle (Single Lead). Not for use with the stock Speed Release axle found on the 2019+ SystemSix, which uses a double lead thread known as W399. Compatible Models (Many more please check pics for reference) Beast of the East (w/ DT M12x1 TA) - 2016-17Slate (with DT M12x1 TA) - 2016-18Super X Series (with DT M12x1 TA) - 2017-18Synapse Carbon Disc (with DT M12x1 TA) – 2018-19Synapse Hi-Mod Disc (with DT M12x1 TA) – 2018-19Synapse NEO Al – 2019Topstone - 2019