Many older U.S. made bikes take this thin size. Unfortunately, there's very little choice in this diameter. This Wald galvanized steel seatpost is plenty long, but if fully extended, a heavier rider may well cause it to bend.
Classic looking aluminum seatpost with 30.2mm of setback adjustment. Ideal for Brooks saddles. Diameter 27.2mm Height total 300 mm Max Height 230 mm Setback 30.2 mm Weight 301g
Kalloy (or similar Laprade type) These are basic, good quality seatposts with a "Laprade type" one bolt clamp. We usually have these in the 350 mm length in a wide range of sizes. This is as good a seatpost as most people need. Longer versions available at extra cost. Color: Silver
For seatposts that do not have a clamp on top, 7/8" inside diameter . For standard saddles. Does not fit the older Brooks 'double rail' saddles like the B66.
Basic, good quality seatpost fits older Raleighs Length: 300mm Diameter: 25.4mm (1") w/7/8" top for standard seat clamp. Color: Silver
For seatposts that do not have a clamp on top, 7/8" inside diameter . For older Brooks 'double rail' models.