Mech Derailleur Hanger fits Cannondale SystemSix 2019 Speed Release K33009

SystemSix Carbon (with Speed Release Axle) - 2019. SystemSix HM (with Speed Release Axle) - 2019. Replaces Cannondale part #K33009. Compatible with Cannondale Models. For bicyles fitted with the double lead 12 x 1.0 Speed Release Axle.

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