M Part Headset Bearing 40,0x52,0x6,5 36?/45?

M Part brings to you this premium quality Headset Bearing 400x520x, a bicycle-specific cartridge bearing that aptly covers almost all headsets available in the market. Custom-built with bicycle enthusiasts in mind, it is meticulously engineered to match the specifications and quality of the original bearings selected by engineers from the world's leading bike brands.

Featuring a nylon retainer and CrMo races, these bearings come equipped with sturdy CrMo ball bearings, which have a hardness rating of HRC 61-66. This means, you can be rest assured of its durability and reliability even in the harshest riding conditions.

Adhering to an ABEC-3 tolerance level, the bearings guarantee less noise and smoother rotation in your bike's headset, enhancing your on-road performance. Furthermore, they come with full-contact rubber LLU seals which offer extra protection by keeping dirt and grime out and locking lubricant in.

M Part employs Multemp SRL grease, a premium product by Kyodo Yushi, to lubricate the bearings. This ensures low friction and minimal wear, lotus to prolong the lifespan of your headset whilst maintaining optimum performance.

Upgrade and unleash the true potential of your biking experience with M Part's Headset Bearing 400x520x, as it blends in seamlessly with your bike for an outstanding ride, every time.