External A-Headset

Traditional "a-headset" which uses 45/45 internal headset bearings, converting your old frame to use a modern headset.

Material: 6061-T6 alloy cups, CrMo steel bearings

Size: 1 1/8", sealed, Ø 41.8 x 45° x 45°

Weight: 150 g (5.2 oz)

Features:

• For standard 1 1/8” steerer tube forks
  
• Uses standard 45x45 Campy spec integrated headset bearings for ease of maintenance
• Includes headset cap, top bolt and starnut