Enduro ACB 6808 SS, 1.5″ 36deg/36deg Headset Bearing, ACB Stainless /each (40x51x6.5mm, Trek Madone)

The Enduro 1.5″ Stainless Steel Angular Contact Bearing is a high-performance replacement or new-build component for bicycle headsets. Constructed from durable stainless steel, this cartridge bearing is designed to resist corrosion and withstand the high-load demands of mountain and road cycling. The 36 x 36-degree angular contact ensures smooth rotation and long-lasting stability under vertical and lateral forces.

With a 40mm internal diameter and a 51mm external diameter, this ABI headset bearing provides a precise fit for 1.5″ steerer tube configurations. Its 6.5mm thickness and high-quality cartridge design make it a reliable choice for riders looking to restore their bike’s steering precision or upgrade to a more resilient bearing material.

Quick Facts