EVO Bottom Bracket

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TRP EVO BSA Threaded Bottom Bracket – 30mm Spindle The TRP EVO Bottom Bracket is designed for riders who demand strength, smooth rotation, and long-term reliability. Built for fram es using a BSA threaded shell, this bottom bracket supports 30 mm spindle cranksets and fits both 68 mm and 73 mm shell widths. Durable construction and precision-machined cups ensure stable performance under heavy pedaling loads — ideal for road, gravel, or MTB applications. Specifications BB Shell Thread: British (BSA) BB Shell Width: 68 / 73 mm Crank Spindle Diameter: 30 mm Interface: 30 mm Primary Color: Black Show more