BB386 24mm Press Fit Bottom Bracket, Mountain Road Bike Crankset Bearing

High-Strength Construction: This BB386 24mm press fit bottom bracket is made of high-quality aluminum alloy and reinforced plastic cement materials, delivering exceptional strength and resistance to deformation under heavy pedaling loads, ensuring long-lasting performance for serious cyclists.; Press Fit Design for Enhanced Rigidity: The press fit design of this bottom bracket eliminates threads and creates a tighter interface with the frame, significantly improving drivetrain stiffness and power transfer efficiency-ideal for aggressive riding on both mountain and road bikes.; Wide Compatibility with Major Cranksets: This BB386 bottom bracket fits frames with an 86.5mm (3.41in) shell width and is compatible with 24mm cranksets from, FSA, and (with optional 24mm-to-22mm conversion sleeve), making it a versatile upgrade for many modern bicycles.; Durable Material Blend: Built with a combination of high-hardness aluminum alloy cups and precision-engineered plastic cement bearings, this bottom bracket resists wear, corrosion, and impact damage, maintaining smooth rotation even in harsh riding conditions like mud, rain, or dusty trails.; Precision Fit for 86.5mm Frames: Specifically engineered for BB386 standard frames measuring 86.5mm in width, this bottom bracket ensures exact alignment and secure installation without creaking or play, providing a quiet, reliable ride whether you're commuting, racing, or trail riding.

What's in the box
1 x Bottom Brackets