You can find all the replacement parts you need at Escapa. The Cannondale Speed Release 142x12 Double Lead P1.0 Bolt 166mm Axle is an essential element for attaching your wheel to your bike.
Compatible with the following models:
SuperSix EVO 2019–2021 (Speed Release)
SystemSix 2019–2021
CAAD13 2019–2021
Topstone Carbon 2020–2021