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

ALLOY 7/8″ 22.2MM OLD SCHHOL BMX BIKE 4 BOLT QUILL STEM VINTAGE CRUISER BICYCLE.

Detailed Description:Quill Diameter: The quill diameter of 22.2 mm ensures compatibility with standard quill stems, commonly found on many bicycles, particularly older or vintage models.Bar Clamp Diameter: The bar clamp diameter of 22.2 mm fits standard handlebars, making it versatile for various handlebar types used in BMX and other bikes.Stem Length: With a stem length of 55 mm, this stem offers a balance between responsiveness and control, suitable for BMX riding where quick handling is essential.Quill Length: The quill length of 4-1/4 inches (approximately 108 mm) allows for a secure fit within the steering tube of the fork, providing stability and strength.Fork Compatibility: Designed to be compatible with 1-inch forks, making it suitable for a wide range of BMX bikes and other bicycles that use this standard size.Angle: The 0-degree angle provides a direct and flat extension from the steerer tube, which is ideal for maintaining a consistent and aggressive riding posture, common in BMX riding.Material: Made from high-quality alloy, this stem offers a combination of strength and lightweight performance. Alloy is known for its durability and resistance to corrosion, ensuring long-lasting use.Style: Specifically designed for BMX bikes, this stem supports the rigorous demands of BMX riding, including jumps, tricks, and high-impact maneuvers.Ease of Installation: The quill stem is straightforward to install. Insert the quill into the steerer tube and tighten the bolt to expand the wedge inside, securing the stem in place. Ensure the handlebar is centered and the stem is aligned with the front wheel before fully tightening.Ideal for BMX bikes, this stem is perfect for riders looking for a reliable, strong, and lightweight option that can handle the demands of BMX riding.Suitable for vintage or older bikes with a 1-inch fork and 22.2 mm handlebar clamp size.Benefits:Strength and Durability: The alloy construction provides robust performance, capable of withstanding the stresses of BMX riding.Lightweight: The use of alloy material keeps the stem lightweight, contributing to overall bike performance without adding unnecessary weight.Compatibility: Fits standard BMX handlebars and forks, making it an easy upgrade or replacement part.Stability: The quill design ensures a secure fit in the steering tube, maintaining stability and control during rides.This 450 Alloy Stem is designed to provide BMX riders with the performance and reliability needed for both casual riding and competitive racing. Its durable construction and compatibility with standard components make it a versatile and practical choice for BMX enthusiasts.
julio 26, 2026

FIXIE TRACK BIKE CHAIN ADJUSTERS TENSIONER BMX FIXED GEAR BICYCLE 3/8″ 10MM AXLE

Product Overview:Product Name: Chain Tension Adjuster 105-1 (Black)Brand: AltaAlta is a well-regarded brand known for offering high-quality and durable bicycle components, catering to a wide range of bike styles, from BMX to cruisers and lowriders.Specifications: Fits: 3/8" AxleThis adjuster is compatible with bicycles that have a 3/8" rear axle, a common axle size for BMX bikes, single-speed bikes, and many cruisers. Use: Rear WheelThe chain tension adjuster is specifically designed for use with the rear wheel. It is vital for keeping the rear wheel properly aligned within the frame, ensuring smooth riding and efficient power transfer. Material: AlloyThe adjuster is made from a high-strength alloy material. Alloys provide a balance of strength and lightweight properties, making this component durable while minimizing added weight to the bike. Alloy components are also more resistant to rust and corrosion compared to steel, which adds to the longevity of the adjuster. Color: BlackThe adjuster comes in a sleek black color, offering a more subtle and modern aesthetic, ideal for bikes with a matching color scheme. Black is also less prone to showing dirt or wear, which helps maintain its appearance over time.Key Features: Rear Wheel Centering:One of the primary functions of the chain tension adjuster is to help ensure the rear wheel is perfectly centered in the frame. Proper alignment of the rear wheel reduces wear on tires and the drivetrain while improving overall bike balance and handling. Chain Tension Adjustment:This adjuster allows for precise chain tension adjustments. Maintaining the correct chain tension is vital for optimal drivetrain function. Too loose a chain may lead to slipping, while an overly tight chain can increase friction and wear. This adjuster helps dial in the right tension to keep the chain running smoothly. Durability:The alloy construction ensures durability and long-lasting performance. Alloy components can withstand regular use and are resistant to bending or deforming under stress. They are also more lightweight than steel, which reduces the overall weight of the bike while still providing the necessary strength. Corrosion Resistance:The black finish on the alloy offers an added layer of protection against corrosion. This is especially beneficial for bikes exposed to the elements, ensuring that the adjuster remains functional and rust-free over time. Smooth Adjustments:The adjuster is designed to allow for smooth and controlled adjustments to the rear wheel's position. Once installed, fine-tuning the wheel alignment or chain tension becomes an easy task, requiring only basic tools for adjustment.Benefits: Enhanced Chain Performance:Proper chain tension leads to improved drivetrain efficiency, reducing the chances of the chain slipping off the sprocket. With the correct chain tension, power is transferred more efficiently, leading to a smoother ride. Increased Rear Wheel Stability:Ensuring the rear wheel is centered in the frame improves bike stability and reduces unnecessary wear on the drivetrain and tires. A misaligned rear wheel can cause the bike to feel unbalanced or even damage the drivetrain components over time. Longer Drivetrain Lifespan:By maintaining correct chain tension and wheel alignment, the adjuster helps to extend the life of the chain, sprockets, and other drivetrain components, reducing the need for frequent repairs or replacements. Ease of Installation:The chain tension adjuster is designed for easy installation and adjustment. Riders with basic mechanical skills can quickly install the adjuster and make necessary adjustments using standard tools, ensuring the bike is ready to ride in no time.Applications: Single-Speed Bikes:On single-speed bikes, where there is no derailleur to take up chain slack, maintaining proper chain tension is critical. This adjuster ensures that the chain stays tight and secure, preventing the chain from slipping off. BMX Bikes:BMX bikes often require precise chain tension for stunts, tricks, and aggressive riding. This tension adjuster is ideal for BMX riders looking to maintain consistent chain tension during demanding rides. Cruiser and Lowrider Bikes:Cruiser and lowrider bikes with horizontal dropouts benefit greatly from this adjuster, as it helps center the rear wheel, improving overall handling and ride comfort.