No.54 Overdrive 1.25" 42.0/47.1mm Integrated Headset

• New bearing design matches overdrive headset system
• For tapered 47.6 to 52mm OD headtube
• For 1.1/4" steerer
• Alloy top cover
• Campy Angular Contact Bearing (Black seal)

Spares:

• Top Bearing: MR136 (160-6746)
• Bottom Bearing: MR137 (160-6752)