Cane Creek's seatpost adapters quite literally fill the gap.  This adapter allows you to use a 27.2mm diameter seatpost on a bike with a 30.9mm seat tube.  These seatpost adapters are compatible with static, suspension and dropper seatposts.  

This adapter works if you want to use a 27.2mm diameter suspension seatpost on various bikes with a 30.9mm seat tube, including these Aventon e-bike models: Aventure.2, Pace 500.3, and Sinch.2.

Approximately 3-15/16" tall.  Machined aluminum. Laser etched with logo and sizing information. Black anodized finish.

Note: The images shown are for illustration purposes only and may not be an exact representation of the product.  As a result, the sizing info on the product used in the pictures in this listing may vary from the actual product.

Imported.