• Campagnolo Nuovo Record Diamond "C" Vintage 42-tooth x 144BCD chainring. #753.
• Made in Italy quality and will work with 5/6/7/8/9-speed systems.
• 42 and diamond "C" on the face of the ring.
• Only 55 grams/1.9oz.
• 144bcd fits a lot of vintage cranks.
• CRCA4833.
• FREE shipping in the USA.