New Old Stock Arnold Industries Black Seatpost Binder Bolt for bicycle frame s. These guys made aftermarket tuning parts in the 70s and 80s Weighs 3 grams made from aluminum alloy so no rust 8mm Version. standar Campy Sugino size at a 3rd of the weight Fits Standard Steel Frames, road , track and mountain bike - check and make sure what size you need This fits anywhere the standard Campagnolo/sugino seat binder bolts do Super Fast Shipping Visit My eBay Store: for thousands of new old stock, vintage and modern bicycle parts. We're the online bike parts dealer for rare components and spare parts for your restoration and repair. Here you will find original pieces of cycling history that cannot be found anywhere else. Please use at your own risk . We decline liability for any damages resulting from use of these items, most of which are decades old. Vintage NOS Bicycle Parts is an environmentally friendly business. We use recycled packaging & materials the large majority of the time and nothing in our store has been manufactured for us or is currently being made for sale. International Customers you are responsible for paying your countries customs duties. We will not declare a lower value on customs documents.