Sunlite Aluminum 25+ mm Bicycle Seatposts
About Sunlite - "Every year bikes change, styles and trends evolve, old bikes are in need of repairs and new bikes are waiting for that personal touch. We provide the means to keep your bike on the road and fun to ride!"
Offset is often referred to as setback. This is the distance in mm that the clamp is offset from the center of the seatpost.