Description The Tange Terious 1″ Threadless Headset is a high quality caged bearing headset from Japanese manufacturer Tange Seiki. This threadless headset uses a 26.4mm crown race with 30.2mm sized cups. As one of our most popular parts in the workshop, you can find this headset in stock in our RICHMOND BIKE SHOP. Tange Terious 1″ Threadless Headset features & specs: CNC Machined strong duraluminum light alloy Fully waterproof mechanism Stack height 37.1mm Supplied with compression ring, star nut & top cap with bolt Black finish