FSA No.55R/57 Semi Integrated Headset (1.1/8-1.5", 56mm)

• For 62mm OD head tube.
• For 1.1/8" to 1.5" tapered fork.
• Alloy top cover.
• Alloy or steel deeper cups.
• 1.5" Angular Contact Bearings.
• Upper head tube dimension: 56.0mm.
• Lower head tube dimension: 56.0mm.

Spares

• Upper & Lower Bearing: TH073 (160-6761).
• Crown Race: 1.5" (H6078, 160-5537).