M Part Headset Bearing 40,0x52,0x8 45/45?

Ride smoothly with M Part's premium Headset Bearing. This specially designed bicycle specific cartridge bearing is ubiquitous, fitting practically all bike headsets available on the market. With a specification and quality that is on par with original bearings chosen by leading bicycle engineers globally, you are assured of sterling value and top-notch performance.

Constructed with a lightweight yet sturdy nylon retainer, and featuring CrMo races and CrMo (HRC 61-66) ball bearings, this headset bearing is engineered for superior strength, load-bearing capability, and durability. It also features both full-contact rubber LLU Seals to prevent any unwanted grime entering the system, guaranteeing uncompromised operation and prolonged product life.

Moreover, this headset bearing employs Multemp SRL (Kyodo Yushi) Grease, a premium-quality industrial lubricant made to endure high-temperature operation without loss of structural stability. This reduces friction, minimises wear, and not just meets but exceeds the robustness and reliability required by the cycling enthusiast.

All these features combined make the M Part Headset Bearing an ideal replacement part, upgrade, or even an investment in preventative maintenance that guarantees your bike's optimal performance. Ensure you're always ready to seize the day and conquer the trails with a headset bearing that delivers performance you can count on.

PLEASE NOTE: Compatibility varies among bike brands and models; please check your owner's manual, or contact us for assistance before purchase.