Semi Integrated Headset (44mm/56mm OD w/ 28.6mm reducer crown race)
Alloy Semi Integrated Headset
Sealed Cartridge Bearings
44mm OD upper cup / 56mm OD lower cup
1 1/4" to 1 1/8" reducer crown race
1 1/8" steerer
Vulcanus headset
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Alloy Semi Integrated Headset
Sealed Cartridge Bearings
44mm OD upper cup / 56mm OD lower cup
1 1/4" to 1 1/8" reducer crown race
1 1/8" steerer
Vulcanus headset