FSA Orbit No.57E ZS semi-integrated headset for tapered 44/56mm ID head tubes.

Features

• For 1.1/8" to 1.5" tapered fork
• 15mm high Alloy top cover (H2051B) stack spacer (No star nut or top cap)

Specification

• Upper: 44mm OD Alloy Cup for ACB
• Lower: 56mm OD Alloy Cup for ACB (H5068)
• Top Bearing: TH MR040 36º x 45º 1 1/8"
• Bottom Bearing: TH MR019 36º x 45º 1 5"
• Solid Crown Race - 40mm ID
• Gold Anodised Compression Ring
• Total Weight: 115g