Best Aluminum Bike Headset Spacers of 2026

The Cane Creek 110-Series Crown Race Aluminum is made of alloy and designed for bike maintenance. It is a bike headset accessory that is durable and long-lasting. This crown race is compatible with 1.5-inch steerer tubes and has a 52/40 bearing size.

The Sumind 11 Pieces Bike Carbon Fiber Headset Spacer Set includes 7 different sizes of spacers, made of woven carbon material. These spacers are light in weight, corrosion-resistant, and have good temperature resistance. The set is designed with smooth edges and a delicate texture, making it durable to use. The spacers also allow for precise height adjustments and fit most road bicycles with an inner diameter of 28.6 mm and external diameter of 34.9 mm. The total weight of the set is approximately 45 g.

The Kbrotech Bicycle Headset Spacer set consists of 8 lightweight aluminum alloy spacers, in three different sizes (2mm, 5mm, and 10mm) to fit the 28.6mm front stem fork of various bikes. They are easy to install and help raise the handlebar, providing greater comfort during long rides. The high-quality CNC finished material ensures durability and longevity.

The Frienda Cassette Spacer Set is designed to help you easily adjust your bike's cassette and bottom bracket. Made from lightweight anodized aluminum alloy, these washers are durable and help you achieve proper alignment with little effort. They fit a wide range of cassette speeds, from 7 to 11, making them versatile for many bike setups. Each washer has precise inner and outer diameters to ensure a snug fit on your cassette. With this set, you can confidently customize your bike for smoother shifting and better performance.

The GooDay Bicycle Headset Spacer Set is a must-have accessory for any cyclist. This set includes 8 spacers in 4 different sizes, allowing you to adjust the height of your handlebars to suit your riding style. Made from black anodized aluminum alloy, these spacers are not only eco-friendly but also sturdy and durable. With an inner diameter of 28.6mm, they are compatible with most MTB, BMX, mountain, and road bikes. The lightweight design and easy installation make these spacers a convenient choice. Additionally, the aluminum construction makes them more resistant to corrosion compared to carbon fiber spacers. Whether you're a casual rider or a hardcore off-roader, the GooDay Bicycle Headset Spacer Set is a reliable and versatile option for enhancing your biking experience.

The Skylety Bike Spacer Set is made from lightweight, durable anodized aluminum, ensuring long-lasting use without adding extra weight to your bike. These spacers help you achieve perfect alignment when adjusting your bottom bracket or freehub, making your gear shifts smoother and more precise. They are versatile, allowing you to fix issues like chainrings or cranks rubbing against the frame, or helping front gears shift properly. Plus, they enable you to upgrade your bike’s cassette speed, fitting 7 to 11-speed flywheels with ease. Their compact size means you can carry them in your backpack for quick adjustments on the go.

The DSCMLIS Carbon Fiber Spacers come in 11 pieces with six different thicknesses, allowing you to easily adjust your bike's stem height for a comfortable ride. Made with precision engineering, these spacers fit perfectly on a 1-1/8 inch stem, ensuring your bike’s front end stays aligned. Crafted from high-density carbon fiber, they offer a strong yet lightweight alternative to metal spacers, improving your bike’s performance. The matte finish not only looks sleek but also features smooth edges and high corrosion resistance, so you can rely on them in all weather conditions. These spacers are a great upgrade for any rider wanting durability and precise fit.

The Mihoutal Carbon Fiber Spacers offer a perfect fit for all modern bikes with their standard 1 1/8 inch diameter, making them ideal for mountain, road, cruiser, and electric bikes. You get a versatile set of 12 spacers in six different thicknesses, allowing you to easily customize your handlebar height for the best riding comfort and control. Made from high-strength carbon fiber, these spacers are much lighter than aluminum, helping to improve your bike’s performance without sacrificing durability. Plus, their sleek woven carbon design with precision-machined edges not only looks great but also ensures a perfect stack alignment for a smooth ride.

The Quacc Bike Headset Spacers are designed to help you fine-tune your bike’s handlebar height with ease, thanks to their multiple sizes. Made from durable aluminum alloy, these spacers resist corrosion and wear, ensuring long-lasting use. Their smooth surface and quality craftsmanship provide a sleek look and reliable performance. Compatible with 1-1/8" front forks commonly found on mountain, BMX, and road bikes, these spacers fit securely to give your bike a perfect fit and comfortable ride. Whether you want to improve control or customize your bike setup, these spacers offer a practical and stylish solution.

This PLATT Bike Headset Top Cap is made of lightweight and high-quality aluminum alloy material. It is easy to install and comes in anodized colorfast surfaces, including black, blue, gold, and red, which provide excellent anti-corrosion ability. This cap fits both 1-1/8" road and mountain bike stems and forks, giving you a nice look and standing out from the crowd. The package includes a headset star nut, stem top cap, and bolt.