Is the Enduro 6903 the Right Standard Bearing for Your Pivot?

The Enduro 6903 Sealed Cartridge Bearing is built to Enduro's standard design spec, delivering reliable performance in the 17mm x 30mm x 7mm form factor found across a range of suspension pivot, headset, and hub applications on road and mountain bikes. Mobilux NGLI 2 synthetic grease at a 90% fill ensures consistent lubrication through the bearing's service life. Dual-lip labyrinth seals provide solid protection against dirt and moisture ingress while keeping drag to a minimum.

Compared to the Enduro Max 6903, this standard version is better suited for lower-stress applications such as headsets and hub flanges where the multi-directional forces of active suspension are not a factor. Enduro's precise manufacturing tolerances ensure a clean press fit and reliable operation over a full riding season. For mechanics looking for a straightforward, correctly-spec 6903 cartridge bearing at an accessible price, this is the one.