Campagnolo Record CT Carbon Crankset ARMS set for 10 Speed These are the rare 110 BCD arms that are almopst impossible to find, They will allow you to have compact 50/34 in 10 speed They come with the original torx bolts 170mm They made very few of these in the early 2000's with 110BCD vs. campys standard 135bcd that only allowed 39t Small ring These were the first road compacts. The right arms said CT and the lefts did not. We have a bunch of these on our bikes and thats how every set was made. 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.