Cannondale SAVE Carbon Seatpost Di2 15mm Offset 27.2x400mmCannondale SAVE Carbon Seatpost is the pinnacle of years of podium-proven research and development. There are few designs out there that change the way the bicycle behaves like the SAVE system. Takes the harshness out of any ride using the proprietary micro-suspension and vibration dampening properties of the seatpost of choice for the Cannondale pro riders.884603823002