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

Bicycle Components & Parts

julio 26, 2026

Sunlite One-Piece Crank Bearings 24 TPI Press Fit Bottom Bracket Cup Set Black

BB SET SUNLT 1pc 24tpi BKOne-piece bottom bracket cup set. Bearings included. Item Specifications: BB Shell Width (mm), 68mm, Spindle Interface Type, OPC, BB/Frame Interface, 24 tpi, Weight, 265g, Disc Material, Steel Blk, Cup Type, Press Fit, Cup OD/Bearing OD, 51mm, HAVE A QUESTION?Expert customer service by bike experts! A Real Brick And Mortar Retail Bicycle Shop with people you can talk to! Contact Us! (9-5 Mon-Fri, 12-4 Sat & Sun EST) Chat With Us
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

Bottom Bracket Set Black For 1/Piece Crank 5/16×9 BMX Cruiser Bike Bicycle.

This Bottom Bracket Set is a must-have for any BMX or Cruiser bike enthusiast. Made by AltaLine, this set is designed for 1-piece cranks and comes in a sleek black color. The set is compatible with Cruiser bikes and is made in Taiwan, ensuring high-quality craftsmanship. Crafted with precision, this Bottom Bracket Set guarantees smooth and efficient pedaling, allowing for a seamless riding experience. The set is a perfect replacement or upgrade for your old or worn-out Bottom Bracket and is sure to enhance the performance of your bike. So, whether you're a professional rider or just someone who enjoys cruising around town, this Bottom Bracket Set is a great investment for your bike.BOTTOM BRACKET SET 1/PIECE CRANK 5/16X9 24TPI BLACK.Set of: 9pcsBall Retainer: 5/16 x 9Shell: 68mmInterface: 24 tpiCup Type: Press Fit 51mmMaterial: SteelColor: Black
julio 26, 2026

Sunlite One-Piece Crank Bearings 28 TPI Press Fit Bottom Bracket Cup Set Silver

BB SET SUNLT 1pc 28tpi SLOne-piece bottom bracket cup set. Bearings included. Item Specifications: BB Shell Width (mm), 68mm, Spindle Interface Type, OPC, BB/Frame Interface, 28 tpi, Weight, 265g, Disc Material, Steel Sil, Cup Type, Press Fit, Cup OD/Bearing OD, 51mm, HAVE A QUESTION?Expert customer service by bike experts! A Real Brick And Mortar Retail Bicycle Shop with people you can talk to! Contact Us! (9-5 Mon-Fri, 12-4 Sat & Sun EST) Chat With Us
julio 26, 2026

VINTAGE LOWRIDER (2)Bicycle SINGLE BICYCLE STEEL BottomBracket Cup CHROME (51mm)

Specifications: Cup Type:Style: Press Fit.Designed to be securely pressed into the bottom bracket shell of the bicycle frame.Provides a snug fit for optimal alignment and smooth rotation of the crankset.Application: Compatible with one-piece cranks commonly found on lowrider, cruiser, and vintage bicycles. Material:Base Material: High-grade steel.Known for its durability and resistance to deformation under high loads.Provides a robust foundation for the bottom bracket bearings.Finish: Chrome-plated.Enhances resistance to corrosion, ensuring longevity even in harsh environments.Offers a polished, reflective surface for a premium aesthetic appeal. Size:Diameter: 51mm outer diameter.Standard size for many lowrider and cruiser bike frames.Ensures compatibility with most 51mm bottom bracket shells. Color:Finish: Chrome.Provides a sleek and stylish appearance that complements other chrome-plated components on a lowrider or vintage bicycle. Brand:Name: Vintage Lowrider.Reputation: Renowned for producing high-quality, aesthetically appealing components tailored for lowrider and classic bicycle enthusiasts.Design and Functionality: Purpose:Serves as a housing for the bottom bracket bearings and crank spindle.Ensures smooth and efficient rotation of the crankset by maintaining proper alignment. Durability:Steel construction offers excellent resistance to wear and deformation, even under repetitive pedaling forces.Chrome plating adds a layer of protection against rust and corrosion, making it ideal for bikes exposed to outdoor elements. Ease of Installation:Press Fit System:The cup is inserted into the bottom bracket shell and pressed into place using appropriate tools.Secure fit prevents movement or wobbling during use.Compatibility:Fits most lowrider and vintage bike frames with a 51mm bottom bracket shell.Aesthetic Appeal:The chrome finish enhances the overall look of the bicycle, blending seamlessly with other chrome-plated components such as cranksets, pedals, and fenders.Adds a polished, professional touch to lowrider and vintage bike builds, particularly those aiming for a custom or show-ready appearance.Applications and Compatibility: Bicycle Types:Specifically designed for lowriders, cruisers, and classic vintage bicycles equipped with a one-piece crank system. Crank Compatibility:Works seamlessly with one-piece cranks, a common design for lowrider and cruiser bikes. Bottom Bracket Shell:Fits frames with a 51mm bottom bracket shell diameter.Maintenance and Longevity: Maintenance Tips:Regularly clean and grease the bottom bracket cups and bearings to maintain smooth performance and prevent rust.Periodic inspection is recommended to ensure the cups remain securely pressed into the frame. Longevity:The steel construction and chrome plating ensure that this bottom bracket cup will provide reliable performance for years, even under demanding conditions.