BB90 to 24mm Shimano Crankset
Designed for Trek BB90 bracket shells when using a Shimano 24mm crankset.
ABEC-3 press-fit bottom brackets offer a great solution on a budget. The high quality POM thermoplastic housing paired with our ABEC-3 sealed cartridge bearings are offered in 7 of the most common sizes for press-fit bottom bracket shells and crankset combinations.
Our ABEC 3 Bearings are built to perform and provide a durable option for our Press-fit ABEC 3 bottom brackets. ABEC 3 Bearings use Grade 10 Chromium steel balls. These High precision balls are within 10/1,000,000" round, twice as round as the industry standard, at it’s highest level. The bearing races are made from 52100 High Carbon Chromium Alloy Races. Our races are vacuum de-gassed process for the purest chromium alloy steel, hardened to R-62, extremely tough and very durable. Polished to a mirror finish for ABEC-3 precision and noiseless movementBB86 to SRAM GXP