Full Speed Ahead Micro ACBBlue/Gray Seal Headset Bearing 45x45 Stainless 1-1/8" Sram GX Eagle IP55 Water-Resistant

IP55 Water-Resistant

For those who want maximum performance

greatly reducing the risk of spoke pull-through and the need to constantly true your wheels

* X-Range™ gearing technology gives you more range and a smoother gear progression

Makes your bike shine like new and keeps it that way

Full Speed Ahead Micro ACBBlue/Gray Seal Headset Bearing 45x45 Stainless 1-1/8" Sram GX Eagle IP55 Water-ResistantFSA bearings that set directly into the frame without the use of pressed in cups. 36 45 degrees is Cane Creek compatible 45 45 degrees is Campagnolo compatible Fits all "Campagnolo Hiddenset" Frames Thickness: 8 Cartridge Bearing Angle: 45x45 Bearing O. D. (mm): 41. 8 Bearing Type: Cartridge Bearing I. D. (mm): 30. 5