This is a Cannondale Speed Release rear thru-axle, featuring a minimalist, lever-free design that relies on a 6 mm hex wrench for installation and removal.

It’s commonly used on several Cannondale models that incorporate the Speed Release system.

This axle is compatible with select 20202022 models, including:

• Topstone Carbon / Topstone Neo
• SystemSix
• SuperSix EVO CX/SE
• CAAD13 (Disc & Rim)

Note: Not compatible with the 2023+ versions of these models.