Fsa HS NO.55R ACR semi-integrated headset

Headset NO.55R 1.5"/ACR

Features

• Real weight: 128 g1.5" head tube
• Bearings 36°/45° ACB
• For 55.8mm OD head tube
• For 1-1/8" to 1.5" conical forks
• Stack 10.4+0.5=10.9
• Fully integrated cable routing
• No rotation limitation
• ACR top cover
• Angular contact bearings
• Requires specific frames