Best Carbon Fiber Bike Headset Spacers of 2026

Jason Kiser Avatar
Jason Kiser
Last Updated: Jan 18, 2026

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Carbon fiber bike headset spacers are a popular choice among cycling enthusiasts. These spacers are lightweight and durable, making them ideal for use in high-performance bikes. Made from high-quality carbon fiber materials, these spacers provide excellent strength and stiffness, allowing for improved handling and performance on the road. They come in a range of sizes and thicknesses, allowing cyclists to customize their bike's geometry to their exact specifications. Whether you're a professional cyclist or simply looking to upgrade your bike's performance, carbon fiber headset spacers are an excellent choice.

At a Glance: Our Top Picks

Sumind 11 Pieces Carbon Fiber Bike Headset Spacer Set Cover #TOP 1
Sumind 11 Pieces Carbon Fiber Bike Headset Spacer Set
ftb score rating icon 9.8
Cheimaxy Carbon Fiber Headset Spacers 8PCS Cover #TOP 2
Cheimaxy Carbon Fiber Headset Spacers 8PCS
ftb score rating icon 9.7
DSCMLIS Carbon Fiber Headset Spacers 11PCS Cover #TOP 3
DSCMLIS Carbon Fiber Headset Spacers 11PCS
ftb score rating icon 9.5

Top 7 Carbon Fiber Bike Headset Spacers

Sumind 11 Pieces Carbon Fiber Bike Headset Spacer Set

Sumind-Headset Spacer-01
Black
Sumind 11 Pieces Carbon Fiber Bike Headset Spacer Set Cover
Sumind 11 Pieces Bike Carbon Fiber Headset Spacer Bicycle 1-1/8 Inch 20 15 10 5 3 2 1 mm, 7 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.

What We Like
Good quality carbon fiber
Multiple sizes included
Lightweight design
Attractive appearance
Affordable price
#TOP 2

Cheimaxy Carbon Fiber Headset Spacers 8PCS

Matte Black
Cheimaxy Carbon Fiber Headset Spacers 8PCS Cover
Cheimaxy 8PCS Carbon Fiber Headset Spacers, Matte Finish, Lightweight and Precision, Fits 1 1/8 Inch Stem for MTB, Road Handlebar Stems, 6 Sizes (1/2/3/5/10/15 mm)

The Cheimaxy Carbon Spacers offer precise engineering with a tight tolerance of ±0.1mm, ensuring a smooth and secure fit on your bike's headset. These spacers are compatible with any 1 1/8 inch front stem fork, so you can use them on mountain, BMX, or road bikes with ease. Made from braided carbon fiber, they provide a strong yet lightweight solution that also adds a sleek matte look to your bike. Designed for durability, these spacers resist wear and heat while maintaining a clean, burr-free finish, giving you reliable performance and a polished appearance every ride.

What We Like
Multiple spacer sizes
Lightweight construction
Attractive appearance
Precise fit
Durable feel
#TOP 3

DSCMLIS Carbon Fiber Headset Spacers 11PCS

DSCMLIS
Matte Black
DSCMLIS Carbon Fiber Headset Spacers 11PCS Cover
DSCMLIS 11PCS Bike Carbon Fiber Headset Spacers, Matte Finish, Fits 1-1/8 Inch Stem for MTB, Road Bicycle Handlebar Stems, (15/10/5/3/2/1mm) 6 Sizes

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.

What We Like
Perfect fit and sizing
Wide variety of thicknesses
High-quality matte carbon finish
Lightweight compared to aluminum
Excellent value for money
#TOP 4

Mihoutal Carbon Fiber Bike Headset Spacers 12-Pack

HSC12
Black
Mihoutal Carbon Fiber Bike Headset Spacers 12-Pack Cover
Mihoutal Carbon Fiber Bike Headset Spacers, Bike Stem Spacers 1 1/8 Inch, 6 Sizes (1/2/3/5/10/15mm), 12 Pack, High Strength, Ultra Lightweight, Impact Resistance, for MTB, Road, Cruiser, Electric Bike

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.

What We Like
Wide size selection
Lightweight construction
Good fit and appearance
Effectively removes fork wobble
#TOP 5

Bruislard 8 PCS Aluminum Bike Headset Spacers

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Black
4 Sizes
Bruislard 8 PCS Aluminum Bike Headset Spacers Cover
Bruislard 8 PCS Bicycle Headset Spacer, 4 Sizes Aluminium Alloy Bike Handlebar Stem Spacers Threadless Fork Washer Fit for 1 1/8-Inch Stem 2mm 3mm 5mm 10mm

The Bruislard Bike Headset Spacers come in a set of eight, with four different thicknesses (2mm, 3mm, 5mm, and 10mm) to help you fine-tune your bike’s handlebar height and fit. Made from lightweight aluminum alloy, these spacers are built to last and resist rust, ensuring they stay reliable on all your rides. They are designed to fit standard 1 1/8-inch stems, making them a great choice for mountain bikes, BMX, and road bikes alike. Installation is straightforward, allowing you to easily adjust your bike’s handlebar height for better comfort and control on the road or trail.

What We Like
Multiple spacer sizes
Durable aluminum alloy
Fits 1 1/8-inch stems
Easy to install

GooDay Bicycle Headset Spacer Set

Bike Headset Spacer
8 PCS
GooDay Bicycle Headset Spacer Set Cover
8 PCS Bicycle Headset Spacer Bike Handlebar Stem Spacers Threadless Aluminum Alloy Headset Stem Spacer Set Fit 1 1/8-Inch Stem For MTB BMX Mountain Road Bikes Cycling 2MM 3MM 5MM 10MM(Black)

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.

What We Like
Improved riding comfort
Variety of sizes available
Easy to adjust height
Compatible with Fat Tire forks
#TOP 7

Farbetter Carbon Fiber Bike Headset Spacers

FB041black
Farbetter Carbon Fiber Bike Headset Spacers Cover
Farbetter 2 Pieces Bike Carbon Fiber Headset Spacer Bicycle Stem Spacer 1-1/8 Inch 30mm/40mm, 2 Size for Mountain Bike, Road Bike, 28.6mm Front Fork Bikes.

Upgrade your bike with Farbetter's Carbon Fiber Headset Spacers. The package contains two different sizes, 30mm and 40mm, and both sizes can overlap seamlessly. The spacers are made of woven carbon fiber, making them heat-resistant, impact-resistant, and lightweight. The carbon fiber material is resistant to corrosion, making it more durable and sturdy than aluminum alloy spacers. These spacers are compatible with most mountain bikes, road bikes, and 28.6mm front bar fork bikes, with an inner diameter of about 28.6mm and outer diameter of 34.9mm.

What We Like
Lightweight and durable carbon fiber material
Two different sizes that can overlap for easy installation
Compatible with most mountain bikes, road bikes, and 28.6mm front bar fork bikes
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Do I need spacers on my headset?

Put simply, headset spacers enable you to easily adjust the height of your handlebars, which is an essential element of bike fit for BMX, MTB and road riders. In the particular case of the latter (road cycling), the correct bar height is key for comfort and performance.

2. How many spacers does a carbon steerer have?

Headset spacers. Dear Lennard, I have seen several references that suggest that 30mm of spacers below the stem is the maximum you should have for a full carbon fork steerer tube.

3. Do you need spacers on steerer tube?

The clamp bolts of the stem on the steerer tube in a threadless headset setup are what holds the whole assembly together. Spacers below the stem are required to eliminate vertical play. Spacers above the stem are only required for aesthetics.

Editor's Notes

During our carbon fiber bike headset spacer research, we found 24 carbon fiber bike headset spacer products and shortlisted 7 quality products. We collected and analyzed 27,342 customer reviews through our big data system to write the carbon fiber bike headset spacers list. We found that most customers choose carbon fiber bike headset spacers with an average price of $7.45.

The carbon fiber bike headset spacers are available for purchase. We have researched hundreds of brands and picked the top brands of carbon fiber bike headset spacers, including Sumind, Cheimaxy, DSCMLIS, Mihoutal, Bruislard. The seller of top 1 product has received honest feedback from 664 consumers with an average rating of 4.9.

Written by
Jason Kiser Avatar

Jason Kiser is an editor who lives in California, he previously worked in a travel agency for ten years, which enabled him to travel a number of interesting countries and experience several different cultures along the way. His range of job and travel experiences grant him expertise in hiking, camping, outdoors and fitness.