Cannondale C1 Aero 27 Seatpost - 0mm Offset GSREDE1 and retaining ring) - X01/XX1

and retaining ring) - X01/XX1 D1 (2023+)

1852g (with Industry Nine hubs)

Does not come with Centrelock Lockring

Width (hood to hood) 400mm / 420mm / 440mm / 460mm

USB Charging Cable

Cannondale C1 Aero 27 Seatpost - 0mm Offset GSREDE1 and retaining ring) - X01/XX1The D shaped design of the C1 aero 27 seatpost enhances aerodynamics and boosts vertical compliance, reducing muscle fatigue so you stay fresh and fast for the final sprint. Features 27mm deep, D shaped aerodynamic profile fits 2025 Superx, 2025 Synapse, 2020 CAAD 13, 2020 Supersix Evo, Evo SE and Evo CX SmartSense compatible hardware included Full carbon construction for ultimate comfort Mfr Claimed Weight TBC