Dia-Compe has re-released their popular 2 piece seat clamp from the early 1980's. These are BRAND NEW - they are not * Color: GOLD * Size: 25.4mm (1") inner diameter (fits most frames that take a 22.2mm (7/8") seat post, but as always, measure the outer diameter of the seat mast tubing of your frame or the inner diameter of your existing seat * Material: Aluminum * "Dia-Compe 25.4" on the top edge is laser engraved.