FSA No.57 – Orbit 1.5 ZS Tapered Headset

With a 1.5in lower cup and 1-1/8in upper, the Orbit 1.5 ZS is ready for contemporary tapered-steerer bikes. Both cups are internal and carry sealed angular contact bearings. A curved alloy top cover integrates smoothly with the head tube and stem.

Features

• 1.5in / 1-1/8in Steerer
• 36 degrees/ 45 degrees ACB
• For tapered 50mm /62mm OD headtube
• For 1-1/8in fork steerer
• Alloy top cap
• Upper: forged alloy cup with Angular Contact Bearings
• Lower: 1.5in CNC machined alloy cup with Angular Contact Bearings

Specs

• Stack Height 16.9+2.9=19.8mm
• Weight: 124.6g