Campagnolo Record C9 Chain
The Record Ultra-Drive chains were designed to mate with Ultra-Drive sprockets and are an essential complement to them in order to get the best and intended performance from them and the entire Ultra-Drive drivetrains.
The links are Teflon-finished chrome-nickel and have special shapes and bevels to ensure smooth shifting and performance.
"Floating Link Action"
Campagnolo code: CN99-RE09