Product Description Replacement bearing for TH headsets. Specifications:Dimensions (Inner x Outer x Width):32.8 mm x 41.8 mm x 6 mmDesignation:MR136Models:universal: Design:angular contact ballRecommended Use:headsetBall Material:steel (CrMo)Inner Race Material:steel (SUJ2)Outer Race Material:steel (SUJ2)Seals:1 x black sealFeatures:Type TH NO.5160 ball bearings45°/45° anglefor 1 1/4" headsetsfor Campagnolo standardManufacturer Number:160-6746 Contents:1 x FSA MR136 bearing Manufacturer: F.S.A. S.R.L. Via Francesco Petrarca. 4 20123 Milan Italy info@fullspeedahead.com