These Are Extremely Rare and the only time I have ever found these, they were incredibly expensive to acquire These cranks are sealed until I open the original Campagnolo seals and make sure theyre perfecto, so the serial # will be different than the pictured one Campy states these cranks are 500g nominal weight, 140 grams lighter than the alloy Record cranks. Vintage NOS Bicycle Parts. 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.