Campagnolo RECORD/CHORUS 10 Speed Outer Chainring : 110 mm 50T FC-RE250. Original CAMPAGNOLO 10-SPEED outer 50 tooth chainring to be used with a 34 tooth inner ring. Chainring BCD 110 mm. Chainring size 50 t. Mounting type 5 arm. Campagnolo part no FC-RE250. NONSTOP CICLISMO is your source for top quality road cycling equipment. Since 1996 we’ve been providing a unique selection of hard to find cycling gear for those looking for the best that Europe has to offer. We stock everything from road and cyclocross bikes to cycling and lifestyle apparel, frames, components, wheelsets, accessories and many hard to find small parts. Our top brands include Castelli, Campagnolo, Cinelli, Colnago, Deda Elementi, KASK, Nalini, Selle SMP, Sidi and Bianchi Milano just to name a few. Our goal is to provide our clients with the equipment, guidance, and friendly expert service to make the most of their cycling experience. Do not pay for them individually. A copy of the original invoice must accompany your return.