HEADSET TYPE: Threadless Zero Stack Cup
STEERER TUBE: Tapered 11/8" to 1.5"
MATERIAL: Alloy
STACK HEIGHT: 21.2mm
UPPER CUP: 44mm Flush Cup
LOWER CUP: 55mm Flush Cup
UPPER BEARING: 36° x 45° 11/8" ACB Sealed Bearing 41.0mm OD
LOWER BEARING: 36° x 45° 1.5" ACB Sealed Bearing 51.8mm OD

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