Enduro Components & Spares ACB 45x45 S8551 BO | 36.8 x 45.8 x 6.5mm | 45 x 45deg | Specialized Roubaix / Ruby Headset Bearing Chromium Steel Black Oxide Angular Contact SKU: ACB 45x45 S8551 BO Barcode: 811780023659
Enduro Components & Spares ACB 45x45 S8551 BO | 36.8 x 45.8 x 6.5mm | 45 x 45deg | Specialized Roubaix / Ruby Headset Bearing   SKU:  Barcode:

ACB 45x45 S8551 BO | 36.8 x 45.8 x 6.5mm | 45 x 45deg | Specialized Roubaix / Ruby Headset Bearing

ACB 45x45 S8551 BO

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Enduro ACB 45x45 S8551 BO | 36.8 x 45.8 x 6.5mm | 45 x 45deg | Specialized Roubaix / Ruby Headset Bearing

ACB 4545 S8551 BO - 1-3/8 Angular Contact Black Oxide treated Headset Bearing (36.8mm x 45.8mm x 6.5mm: 45 x 45 deg) - Angular-contact headset bearing featuring anti-corrosion Black Oxide/Magnetite coated 52100 High-Carbon Chromium alloy races paired with grade 10 Balls. Black Oxide coating provides an extra level of corrosion resistance and extended worry-free performanceThis size bearing is also known in the bike Industry by these part numbers:, S8551, S182500006, S172500014The Enduro line of angular-contact headset bearings start with Black Oxide treated Chromium Steel races, steps up to full 440C stainless steel, and the top of the line is, lifetime-guaranteed, XD15 aerospace-stainless (races and balls). They are always engineered with the largest balls possible, feature dual-lip seals riding in a micro-groove (labyrinth) and are filled 90% with high pressure water proof grease for the ultimate protection against sweat and the elements. Enduro Angular Contact (A/C) bearings are designed so all balls are evenly engaged to spread the force over a larger surface area, minimizing wear and maximizing life.

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