The FSA C-40 is a reliable integrated headset and OE replacement headset for the Blackhawk fat bike
and a robust headset for any 1 1/8″ x 1 1/2″ integrated application.
SPECIFICATION
Standard: IS42/52, 1 1/8″ x 1 1/2″ , Integreted
Lower race: 52mm
Upper race: 42mm
Contact angle: 45 degrees
Sealed bearing
Not including Top Cap