AheadSet STS Aheadset, 1" - black Bearing Type: 5/32" BallCrown Race: 26.4Headset Detail Color: BlackHeadset Size: 1"Headset Type: 1" Standard CupsMaterial: SteelStack: 24.5mmStack Height: 24.5mmSteer Tube Size: 1" threadlessWeight: 108gWeight: 80g