The BSA - Bearing Kit - A/C 440C Stainless Steel - GXP from Enduro Bearings is a top-quality bottom bracket bearing kit designed for SRAM GXP External Cup BBs. This kit includes two 440C Stainless Steel angular-contact bearings, as well as all the necessary seals and spacers for a professional installation. Enduro Bearings uses high-quality materials like 440C stainless steel for superior corrosion resistance and long life. While stainless steel has slightly less load capacity than our standard chromium steel, it is an excellent choice for wet conditions or if you frequently wash your bike. The bearings are also waterproofed with LLB type seals and CRC Marine Grease.To make installation and removal of this bearing kit easier, we recommend using the BRT-003 (EB9040) 24mm x 37mm bearing tool. This tool allows for quick and effortless bearing adjustments while the bottom bracket is still on the bike.The Enduro line of bearings offers a range of options, including High-Carbon Chromium Steel, Ceramic-Hybrid, and XD-15 with Ceramic or Stainless Balls. All of our bearings are engineered with deep groove races to accommodate large balls and feature dual-lip seals for ultimate protection against the elements.This bearing kit is specifically designed for BSA shell fitment and has an axle size of SRAM GXP (22/24mm). It comes with a two-year anti-corrosion warranty. The Enduro Reference Number for this kit is BKS-54105.