The entry standard for Enduro bearing. Enduro bearing offer improved quality and performance over bearings fitted by many OE manufacturers. Only the finest cycling components come standard with Enduro bearing. With hardened chromium steel races, balls, and tough riveted steel retainers, these bearings are durable and the perfect low cost performance upgrade.

The bearing seals are dual lip, groove type seals rather than standard 2RS types that other manufacturers use; one lip to keep the dirt out and the other to keep the 90% grease fill inside. Bearings are filled both sides with Mobilgrease XHP 222 mineral oil based grease for the best protection and long lasting set up. Another external seal with dual lips on both sides and made from the best Silicone material guards from water and dirt penetration.

Because of the internal ball path design, all of the balls are engaged 100% of the time lending even maximum support through the entire pedal stroke. Filled with Rheolube special synthetic grease KOYO 6305 Bearing formulated in the USA, the balls are micro-coated with long lasting protection from friction. "LLB" dual lip groove seals and another external seal with dual lips on both sides and made from the best Silicone material guards from water and dirt penetration.