GravityDropper Black 350+ mm 31.6 mm Bicycle Seatposts
We define color as the main color of the item. It may have accents or highlights in other colors.
Seatpost length is measured in millimeters. It is typically measured from the bottom of the post to the center of the rail mount.
The seatpost diameter must match to the seat tube diamater of your frame. If replacing a seatpost, you can usually find this measurement etched near the bottom of your current post.