Integrated Tapered Headsets for Kinesis and DMR frames.Top Bearing: 45/45, 41.8 OD, 30.5 IDLower Bearing: 36/45, 51.8 OD, 40 ID.Bearing depth: 8mmUpgrade Integrated Tapered Headset 1 1/2 Crown RaceSKU: UPG-HS-ITG-TP-1"1/2£55.00PriceQuantity*Add to Cart