From a Phillips bike with 26” wheels. 175 mm of steerer tube, 55 mm of threads, 365 mm from crown to the center of the drop outs. Headset cups measure 30 mm. Crown race has some pitting, but cups bearing surfaces are in pretty good overall condition. Adjustable top race has some wear and pitting. Buyer may need to replace/regrease/repack headset for item to function smoothly. Buyer may need to machine bearing surfaces for the item to function smoothly. Steerer tube is cut a bit rough, but headset threads on by hand. Fair amount of paint damage, rust, dirt and grime. Please see pictures for condition of the item. Buyer pays 24.99 flat rate shipping for USPS Priority Mail.