These two-bolt seatposts have a generous 30.2mm of setback, among the longest ever. This is very important for those who ride leather saddles that often have very little fore-and-aft adjustment due to the short rails Internally ovalized to reduce weight Two-bolt design, adjustment from the bottom Head is integral with the post, not pressed on as on many modern posts Maximum height (above the min. insert line) is about 23cm Diameter: 27.2mm Length: 300mm Offset: 30.2mm Weight: 301 g. Color: Silver or Black