FSA NO 55R/57SC Semi-Integrated Headset

The FSA NO 55R/57SC semi-integrated headset is designed for forks with 1-1/8" to 1.5" tapered steerers. It has chromoly cups and an integrated semi-cartridge bearing.

• Fits 1-1/8" to 1.5" tapered forks, common on many modern frames
• Robust chromoly cups with an integrated semi-cartridge bearing for smooth rotation
• Lightweight: weighs 165,8 grams, useful if you want to keep your bike's weight down
• Aluminium upper cover with a black finish that suits any frame
• Before ordering, check that your frame's head tube has an external diameter of 62mm

Technical specifications

• Type: Semi-integrated, 1-1/8" / 1.5", semi-cartridge
• Fork compatibility: Fork with a 1-1/8" to 1.5" tapered steerer
• Upper cover: Aluminium
• Cups: Chromoly with integrated semi-cartridge bearing
• Head tube external diameter: 62mm
• Stack height: 8.4+2.3=10.7
• Weight: 165,8 grams
• Colour: Black