Bb86 sram dub alternative black coated

These lower brackets are equipped with handcrafted coated bearings, specially developed for off-road performance that offer extreme durability and feature a unique design for SRAM DUB 28.99 cranks. The coated bearings use the highest quality CeramicSpeed ​​ceramic balls, which run on hardened steel races with a 3 micron thick metal coating, making the races corrosion resistant, harder and smoother , which increases service life and reduces friction.