Headset Bearings (Angular Contact Bearings -ACB) FSA, Cane Creek, Hope, Acros

Style MH-P16 (MR170) for 1.5" ACB for bottom of tapered headset. 45° x 45° - 40mm x 52mm x 7mm. Pair this up with aTH-873 for a Hope Tapered Headset. ACB518K - 1.5" ACB for bottom of tapered headset (Common in Giant & Whyte Headsets) 40mm x 51.8mm x 8mm with Int 36° chamfer & Ext 45° chamfer.

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