DropSet 3 Matte Jet Integrated Upper Bearing: IS41/28.6 45°/45° Lower Bearing: IS52/40 36°/45° 1-1/8" > 1.5" Steel Bearing Headset Integrated Headset Headset by ChrisKing is a Heavy Duty Integrated Headset with High Precision Bearing, which is DropSet™. Equipped with the patented CHRIS KING GripLockTM system. The GripLock™ system allows proper steering column retention and preload to bearings. The bearing has a proper pre-load for the bearing to ensure a smooth rotation at all times for the impact that is transmitted through the front fork and steering column. Regularly pour love (i.e. cleaning and grease up). Easy to maintain, ChrisKing bearings will last for an incredible long period of time. Features Consistently manufactured in Portland, USA In-house shield bearing boasting extremely durable and smooth rotationAdopts a proprietary GripLockTM system that maintains high performance even in extreme conditions The ceramic bearing specifications are also available in high roundness and cold climates as well as the ceramic bearing specifications (S.H.I.S): Upper Bearing: IS41/28.6 45°/45° Lower Bearing: IS5°, Lower Bearing: IS52/40. 36°/45° Compatible Fork Column Size: 1-1/8" > 1.5" Bearing: Steel Integrated Headset ChrisKing Heavy Duty Integrated Headsets with High Precision Bearings is DropSet™. Equipped with the patented CHRIS KING GripLockTM system. The GripLock™ system allows proper steering column retention and preload to bearings. The bearing has a proper pre-load for the bearing to ensure a smooth rotation at all times for the impact that is transmitted through the front fork and steering column. Regularly pour love (i.e. cleaning and grease up). Easy to maintain, ChrisKing bearings will last for an incredible long period of time. Features Consistently manufactured in Portland, USA In-house shield bearing boasting extremely durable and smooth rotationAdopts a proprietary GripLockTM system that maintains high performance even in extreme conditions The ceramic bearing specifications are also available in high roundness and cold climates as well as the ceramic bearing specifications (S.H.I.S): Upper Bearing: IS41/28.6 45°/45° Lower Bearing: IS5°, Lower Bearing: IS52/40. 36°/45° Compatible Fork Column Size: 1-1/8" > 1.5" Bearing: Steel *Picture is for illustration purposes only. The design and specifications may differ from the actual product. Images are for illustrative purposes only. The design and specifications may differ from the actual product.