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The Enduro BSA English threaded bottom bracket with XD-15 Pro bearings.

• The Enduro BSA English threaded bottom bracket with XD-15 Pro bearings.
• XD-15 Pro bearings are 15-degree angular contact sealed cartridge bearings with deep-groove bearing raceways that improve longevity and increase ball size
• Bearings use Grade 3 Silicon Nitride ceramic balls and are sealed on both sides using LLB Nitrile seals
• Enduro bottom brackets put the bearings at the widest point to increase bearing longevity
• Includes outer bearing seals and crank spindle spacers to ensure proper chainline and bearing preload