The FSA NO.10 is a semi-integrated headset for 1 1/8 “head tube. The upper as well as the lower bearing shell are made of forged aluminum.

Product Features – FSA NO.10 Headset

• Use:MTB, Road, Gravel
• Model:FSA NO.10
• Type:Semi-integrated (ZS)
• Fork steerer:1 1/8″
• Stack Height
  • Top:5.2mm
  • Bottom:3.7mm
• Bearing type:5/32 x 20 retainer bearings
• Head tube:
  • Inner Diameter:
    • Top:28.6 mm
    • Bottom:30 mm
  • Outer Diameter:
    • Top:50 mm
    • Bottom:44 mm

Cap (choose variant)

• 2.5 mm
• 16.2 mm

Material

• Cap:Aluminum
• Bearing:Steel
• Bearing shells:
  • Top:Aluminum, forged
  • Bottom:Aluminum, forged

Weight (manufacturer information)

• 2.5 mm – 93 g
• 16.2 mm – 145 g