FSA Bike Bicycle Cycle No.55R/44 SUPTAP Headset THOK 1.1/8 – 1.8″ Premium Quality

66mm lower., Headtube ID: 56mm upper

Angular Contact Bearing (Black seal).

For tapered 62/72mm OD headtube.

For 1.1/8" to 1.8" tapered fork.

For use with 44mm OD stems.

Steerer : 1.1/8-1.8"

Brand Name : FSA

Upper : 46.0mm

Lower : 66.0mm

Colour : Black