Bottom Bracket Set W/bearings For 1/piece Crank 5/16x9 Bike

Ball Retainer Size: 5/16 inch

• This size refers to the diameter of the ball bearings used in the bottom bracket.
• Ball Retainer Count: 9 balls, which are typically arranged in a circular pattern to provide smooth rotation.

Shell Width: 68mm

• This is the standard width for many road and mountain bike bottom brackets.
• Ensures compatibility with frames designed for 68mm bottom bracket shells.

Interface: 24 TPI (Threads Per Inch)

• Indicates the threading standard used in the bottom bracket.
• This is a common English (BSA) threading, compatible with a variety of bike frames.

Cup Type: Press Fit 51mm

• The bottom bracket cups are designed to fit directly into the frame's bottom bracket shell.
• A press-fit design allows for easier installation and a more secure fit.

Material: Steel

• Provides durability and strength, ensuring long-lasting performance under various riding conditions.
• Steel construction is common for bottom brackets, offering good resistance to wear.

Color: Black

• The black finish enhances corrosion resistance and adds aesthetic appeal to the bike.
• Black-plated surfaces also reduce friction, contributing to smoother operation.

• Road Bikes
• Mountain Bikes
• Hybrid Bikes
• Touring Bikes
• BMX Bikes (depending on specific frame design)

• Requires a specific press tool for proper installation into the bottom bracket shell.
• Ensure alignment during installation to avoid damaging the frame or the bottom bracket.