We are trying to satisfy 100% of our customers
Our bikes are 100% safe and eco-friendly
✕
biker4-shop-icon3
julio 26, 2026

ALTALINE BICYCLE CHROME 1/PIECE CRANK BOTTOM BRACKET SET 5/16 X 9 24TPI.

Specifications Ball Retainer Size: 5/16 inchThis 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: 68mmThis 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 51mmThe 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 and Finish Material: SteelProvides durability and strength, ensuring long-lasting performance under various riding conditions.Steel construction is common for bottom brackets, offering good resistance to wear. Color: ChromeThe chrome finish enhances corrosion resistance and adds aesthetic appeal to the bike.Chrome-plated surfaces also reduce friction, contributing to smoother operation.CompatibilityBikes: Suitable for a wide range of bicycles, including:Road BikesMountain BikesHybrid BikesTouring BikesBMX Bikes (depending on specific frame design)InstallationInstallation Method: Press-fitRequires 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.MaintenanceRegular Inspection: Check for any signs of wear or noise during operation. Listen for creaking sounds which may indicate worn bearings.Cleaning: Regular cleaning of the external parts and periodic lubrication of the bearings can enhance performance and longevity.This Bottom Bracket works well with vintage Schwinn bikes with 24 tpi 1 piece cranks, as well as new cruisers, antique ballooners, rat rods, BMX, townies, chopper, and lowriders.
julio 26, 2026

VINTAGE LOWRIDER 51MM LONG DOUBLE SQUARE TWISTED CHROME BOTTOM BRACKET CUP.

Their products are designed with both functionality and style in mind, catering to the needs of enthusiasts who value customization and durability in their bicycles. This size ensures compatibility with a wide range of bottom bracket shells, making it a versatile component for various bike models.
julio 26, 2026

F&R LOWRIDER 51MM LONG SQUARE TWISTED GOLD BOTTOM BRACKET STEEL CUP.

Their products are designed with both functionality and style in mind, catering to the needs of enthusiasts who value customization and durability in their bicycles. This size ensures compatibility with a wide range of bottom bracket shells, making it a versatile component for various bike models.
julio 26, 2026

F&R LOWRIDER 51MM LONG DOUBLE SQUARE TWISTED GOLD BOTTOM BRACKET STEEL CUP.

Their products are designed with both functionality and style in mind, catering to the needs of enthusiasts who value customization and durability in their bicycles. This size ensures compatibility with a wide range of bottom bracket shells, making it a versatile component for various bike models.
julio 26, 2026

F&R LOWRIDER 51MM LONG SQUARE TWISTED CHROME BOTTOM BRACKET STEEL CUP.

Lowrider Square Twisted Bottom Bracket Cup Chrome Specifications Cup Type: Press FitDescription: This bottom bracket cup is designed with a press-fit system, meaning it is installed by pressing the cups directly into the bottom bracket shell of the bicycle frame. This type of installation is common in lowrider and cruiser bikes, providing a snug and secure fit without the need for threading. Material: SteelDescription: The bottom bracket cup is made from high-quality steel, ensuring durability and strength. Steel is known for its robustness and resistance to wear and tear, making it an ideal material for components that endure significant stress, like bottom bracket cups. The steel construction also contributes to the overall structural integrity of the bicycle. Size: 51mmDescription: The cup has a diameter of 51mm, which is a standard size for many lowrider and cruiser bicycles. This size ensures compatibility with a wide range of bottom bracket shells, making it a versatile component for various bike models. Cup Style: Square TwistedDescription: The cup features a distinctive square twisted design, which not only adds an aesthetic appeal but also provides additional grip and surface area for secure installation. The twisted design is a popular style choice for lowrider bicycles, adding a custom and unique look to the bike's overall appearance. Color: ChromeDescription: The cup is finished in a polished chrome color, giving it a sleek and shiny appearance. Chrome is a classic finish for lowrider components, known for its reflective surface and resistance to rust and corrosion. The chrome finish complements other chrome components on the bike, contributing to a cohesive and stylish look. Brand: F&R LowriderDescription: F&R Lowrider is a brand renowned for producing high-quality lowrider bicycle parts and accessories. Their products are designed with both functionality and style in mind, catering to the needs of enthusiasts who value customization and durability in their bicycles.Application and Features Compatibility:The Lowrider Square Twisted Bottom Bracket Cup Chrome is compatible with most lowrider and cruiser bicycles that utilize a press-fit bottom bracket system. Its 51mm size ensures it fits securely into standard bottom bracket shells. Aesthetic Appeal:The square twisted design, combined with the chrome finish, adds a custom and stylish touch to the bicycle. This design is particularly appealing to lowrider enthusiasts who enjoy personalizing their bikes with unique and eye-catching components. Durability:The steel construction ensures that the bottom bracket cup can withstand the demands of regular use, including the stresses of pedaling and the weight of the rider. The chrome finish further enhances its durability by providing a protective layer against rust and corrosion.Installation and Maintenance Installation:The press-fit design allows for straightforward installation into the bottom bracket shell. It's important to ensure that the cups are pressed evenly to avoid misalignment. The square twisted design aids in providing a secure fit, reducing the likelihood of movement once installed. Maintenance:The chrome finish requires minimal maintenance. Regular cleaning with a soft cloth will keep the surface shiny and free from dirt and grime. Periodic checks should be made to ensure the cups remain securely in place, especially after long rides or heavy use.Benefits Secure Fit:The press-fit design, coupled with the square twisted style, ensures a tight and secure fit within the bottom bracket shell. This reduces the risk of movement or loosening over time, contributing to a smooth and stable ride. Custom Styling:The square twisted design adds a unique and custom look to the bicycle. Combined with the chrome finish, this bottom bracket cup is not just functional but also a statement piece that enhances the overall aesthetic of the bike. Longevity:Made from durable steel and protected with a chrome finish, this bottom bracket cup is built to last. Its robust construction ensures it can handle the rigors of regular cycling, while the chrome finish protects against rust and corrosion.