NOS Vintage Campagnolo Record Pista Bicycle CHAINRING SkipTooth 151BCD TrackBike December 9, 2023 admin 151 BCD is a very early antique Campagnolo standard from the early 1960s, maybe earlier, pretty sure the only Campy Skiptooth Chain options are in the 151 BCD. Chain Rings are Nuovo Record Style for 151 BCD Cranks only.