FSA NO.57E Orbit 1.5E ZS Headset

The Orbit No. 57E is a semi-integrated (ZS) headset by FSA for tapered steerer tubes with a diameter of 1 1/8" (top) and 1.5" (bottom). The headset includes an aluminium cap.

---

Product features - FSA Headset NO.57E ORBIT 1.5E ZS

• Type: Semi-integrated (ZS)
• Fork steerer: 1 1/8“
• Outer diameter headtube top: 50mm
• Outer diameter headtube bottom: 62mm
• Bearing: 1 1/8” / 1.5”, 36°/ 45° angular contact bearing
• Upper part: Forged aluminium bearing shells with angular contact bearing (Black seal)
• Bottom: 1.5" CNC milled Bearing Shells with angular contact bearing (Black Seal)
• Stack height: 16.9 + 2.9 = 19.8mm

Size aluminium cap (select variant)

• 15mm

Material

• Aluminum

Weight (manufacturer information)

• 15mm: 149g

---

Scope of delivery

• 1 FSA Orbit No.57E 1.5E ZS Headset