NOS Vintage 1970s/80s Campagnolo Gran Sport strada/NR pista headset crown race

Vintage 1970s/80s Campagnolo Gran Sport / NR Record headset crown race in New Old Stock condition.

NOS - Mint condition - Please see photos...

For use with Campagnolo Gran Sport Strada and Nuovo Record track/pista headsets that use 5/32" bearings.

Stamped: 'PATENT - CAMPAGNOLO - ITALY'

Size:  1" inch

Outer diameter: 37.4mmInternal diameter: 26.4mm

Campagnolo part number: #690

Perfect for completing a period correct build....

Made in Italy