Best Carbon Fiber Bike Headset Spacers in 2026

Multi-size package: this package contains 7 different sizes, 1 mm, 2 mm, 3 mm, 5 mm, 10 mm, 15 mm, 20 mm, small size of spacer headset let you have a more precise height adjustment

Appearance and performance: automatic cutting, smooth edge, fit most of the road bicycles, delicate texture and durable to use

Material of bike handlebar spacer: woven carbon, nice look and good quality, light weight, good strength and well temperature resistance, good impact resistance

Carbon Bike Headset Spacers 1 1/8 inch

Provide Various Combination to Adjust Height of Handlebars to Fit Your Riding Style

For MTB Road Bike Santa Cruz Haro Mongoose GT Giant Trek Cannondale Scott Yeti Schwinn Bikes

Quantity You Will Receive: Package includes 15pcs headset spacer in 7 sizes, 2 x 1mm, 2 x 2mm, 3 x 3mm, 3 x 5mm, 3 x 10mm, 1 x 15mm, 1 x 20mm. Enough quantity and size for bicycle use. Please be sure of the quantity detail before buying.

Premium Quality We Made: These headset spacers are made of carbon fiber, lightweight and durable, strong hardness and not easy to get deformed, high quality product provides more safety condition when riding outside.

Exquisite Appearance: Featured with smooth edge by automatic cutting, delicate texture and woven carbon, equipped with well temperature resistance and good impact resistance. These bicycle accessories can be used for a long time.

Multi-size selection: come with 5 different size, including 2 mm (1 piece), 3 mm (1 piece), 5 mm (3 pieces), 10 mm (3 pieces), 15 mm (1 piece), multi-size for you to adjust the appropriate height

Material: the bicycle headset spacer is made from carbon fiber material, sturdy and durable to use, looks very nice

Resistant to corrosion: carbon fiber bicycle headset spacer is more resistant to corrosion, more hard than aluminum alloy headset spacer, and lighter than aluminum alloy spacer

Universal Fit: Suitable for 1 1/8"(28.6mm) fork steerer tube of most mountain bikes, road bikes, MTB, BMX, touring bikes and etc.

Full Carbon Fiber: Woven carbon fiber material offers incredible strength, and good temperature resistance, exceeding lightweight and sleek looking.

10 Piece Kit: 6 sizes, 10 pieces to get a wide range of height combinations to set the optimal position for best riding performance.

1-1/8" Headset Spacer Set. Inside diameter:28.6mm

The Bike Headset Spacer is made of high-quality aluminum alloy material, eco-friendly, sturdy and durable to use.

Lightweight and easy to install, having advantages of smooth surface and exquisite workmanship.

Why aluminum? Firstly, the difference in weight between 20mm of carbon spacers vs alloy spacer is far, far less than 1/2 ounce. It may be a gram or two. Secondly, The only glossy woven carbon part on the bike are the spacers looked weird. Thirdly, cheap carbon fiber spacers cannot meet the strength requirements of the high stress parts for sports bikes, experts recommended Tensile modulus 200-280Gpa, Tensile Strength 2500Mpa at least. Cheap CF spacers is fragile and even not cut evenly.

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

Why 6 piece? The 2 mm, 3 mm, 5 mm, 10 mm spacers make it easy to have a precise height adjustment, the six piece of spacer can add 40mm height totally, that enough for most situations. If you just need 20mm or 25mm, you can still have some backup for more inflexible.

9 Pieces of 9 Height Size.This headset spacer kit contains 9 different height sizes: 1 mm,2 mm,3 mm,5 mm,8 mm,10 mm,15 mm,20 mm,30 mm.

Smooth incision edge offers high tightness.Small size spacer let you have a more precise height adjustment.You can combine them freely to meet your different needs.

Made of woven carbon fiber,nice appearance,lightweight and well temperature resistance.

Fits 1-1/8" (28.8mm) heads, steerer tubes. Inner Diameter: 28.8mm ( 1 1/8"), Net Weight: 33g (6 Pieces/set)

3 mm, 5 mm,8mm 10 mm,15 mm, 20 mm spacer*1pcs each.

100% Pure Carbon Fiber, Super light weight headset spacers.

Use for 1-1/8" (28.6mm) Front Stem Fork.

Material :Quality Aluminum Alloy,Great Anti-corrosion and Lightweight, Only about 52g (8PCS)

Comes Anodized in Black,Colorfast Surface,Ultra Precision Diamond Blade Machine Cut, Fit All Road /Mountain Bikes

Fit steerier tube diameter: 1-1/8", 28.6mm stems and forks

Material: Alloy Aluminum MTB BMX Road Bike Stem Spacer, Headset Top Cap,Stainless Steel Headset Star&Bolt

Lightweight and easy to install, having advantages of smooth surface and exquisite workmanship.

Package includes 6 sizes of spacers, they are 1 mm, 2 mm, 3 mm, 5 mm, 10 mm, 15 mm, 2 pieces of each size. You can match them to any height you want.

The Spacers are made of carbon fiber, lighter weight, more resistant to high temperature, corrosion and friction.

This carbon fiber spacer has an excellent quality, attractive and durable, and convenient to carry and use.

✅ MATERIAL - Bicycle headset spacers threadless are made of black anodized aluminum alloy material with smooth surface and exquisite workmanship, eco-friendly, sturdy and durable to use

✅ MULTI SIZE - This package contains 3 different sizes: 2mmｘ4, 5mmｘ4, 10mmｘ4. Small size of spacer headset let you have a more precise height adjustment

✅ SIZE DETAILS - Stem spacers road bike inner diameter is 28.6mm，1-1/8" headset spacer set, compatible with 28.6mm front stem fork of MTB, BMX, mountain bike, road bike, etc

🥭 MYLTI-SIZE PACKAGE: 12 Pcs bicycle handlebar spacers are available in 4 sizes 2mm / 3mm / 5mm /10mm, 3 Pcs each size, provide various combinations to adjust the height of the handlebar to suit your riding style

🥭 MATERIAL: Bicycle headset spacers are made of carbon fiber, nice appearance, good quality, light weight, high strength, high temperature resistance and good impact resistance

🥭 SIZE: The inner diameter is approx. 28.6 mm, the outer diameter is approx. 34.9 mm, 1-1/8" headset spacer set, compatible with 28.6mm front stem fork of MTB, BMX, mountain bike, road bike etc

Large size: This package contains two different sizes, 30mm, 40mm, larger size allows you to put in place in one step, the two sizes can overlap seamlessly.

Materials: Woven carbon fiber, woven carbon, heat-resistant, impact-resistant, sturdy and durable, beautiful appearance, light weight.

Feature: Carbon fiber headset spacer resistant to corrosion, more sturdy, durable, Lighter and harder than aluminum alloy headset spacer.

Inside Diameter: 1" (25.6mm), Outside Diameter: 31.65mm

Included Heights: 2, 3, 5, 10, 15, 20mm (1 of each size)

Weights (grams): Set 24.6g- 2mm: 1.0g, 3mm: .3g, 5mm: 2.1g, 10mm: 4.5g, 15mm: 6.7g, 20mm: 9.0g

Pakage：12 PCS bike handlebar spacers in 3 sizes 3mm / 5mm /10mm，4 PCS each size, various combination to adjust height of handlebars.

Material: Bicycle headset spacers threadless are made of black anodized aluminum alloy material with smooth surface and exquisite workmanship, eco-friendly, sturdy and durable to use

Size：It compatible with 28.6mm(1-1/8") front stem fork of MTB, BMX, mountain bike, road bike etc

4 mm x 2

12 mm x 1

30 mm x 1

High quality, durable and light weight

Inner diameter: 29mm; Outside diameter: 35mm; Height: 3mm, 5mm, 10mm, 15mm, 20mm; Thickness: 3mm

Fits 28.6mm heads, steerer tubes

Package: 6 PCS bike handlebar spacers in 3 sizes, 2*5mm, 3*10mm, 1*20mm, provide various combination to adjust height of handlebars.

Material: Made of high-quality aluminum alloy material, great anti-corrosion and lightweight.

Size: Stem spacers road bike inner diameter is 28.6mm, use for 1-1/8” (28.6mm) front stem fork of MTB, BMX, mountain bike, road bike etc.

UPGRADE: Our carbon headset spacers are the perfect way to put the final touch on your new fork upgrade

CARBON: Full unidirectional carbon construction

5 PACK: Each pack comes with 5 carbon fiber headset spacers

UD Carbon fiber weave with FSA logo

Package Contain:16Pcs Bicycle Headset Spacer,10mm(7pcs);5mm(5pcs);2mm(4pcs).Provide various combination to adjust height of handlebars to fit your riding style.

Material: Bicycle headset spacers threadless are made of black anodized aluminum alloy material with smooth surface and exquisite workmanship

Stem spacers road bike inner diameter is 28.6mm，1-1/8" headset spacer set, compatible with 28.6mm front stem fork of MTB, BMX, mountain bike, road bike etc

★Size：Stem spacers road bike inner diameter is 28.6mm，1-1/8" headset spacer set, compatible with 28.6mm front stem fork of MTB, BMX, mountain bike, road bike etc.

★Material : Aluminum Alloy MTB Headset Spacer,Stainless Bicycle Fork Headset Star Nut, Titanium Bolt .Bicycle headset spacers threadless are made of black anodized aluminum alloy material with smooth surface and exquisite workmanship, eco-friendly, sturdy and durable to use

★Exquisite Workmanship:The Bike Top cap Comes anodized in Black, Blue, Yellow and Red,colorfast surface,Ultra Precision Diamond Blade Machine Cut,great anti-corrosion. Beatiful Color,Stand out from the crowd.

4 Sizes: There are 4 different sizes in this headset spacer package, which are 5mm / 10mm / 15mm / 20mm, they can meet your different needs

Variety of Colors: This headset washer has 4 colors for you to choose, which are black, red, blue, silver; You only need to choose the color you like

Variety of Colors: This headset washer has 4 colors for you to choose, which are black, red, blue, silver; You only need to choose the color you like

💀Appearance and performance: Replace the ordinary monotonous washers, add a color to your bike, the color is more diverse. bike, the color is more diverse

💀Feature: Aluminum headset spacer is lightweight and easy to install. Resistant to corrosion, more sturdy and durable than carbon fiber headset spacers, fit most of the bicycles.

💀Multicolor to Choose: 4pcs in one pack, available in 5 colors, just choose the color you like.

Compatibility: fits 1-1/8 inch /28.6mm road and mountain bike stems and forks, please check the size of your tube before purchasing.

Material:3K Carbon fiber headset cap and spacers;Steel star nut;TC4 titanium alloy bolt.

Multi-size spacers: this package contains 5 different sizes,small size of spacer headset let you have a more precise height adjustment.

Package Content: You will get 18 pieces of bicycle headset spacers. There are 4 sizes in total: 9 pieces of 10mm/0.4inch, 3 pieces of 5mm/0.2inch, 3 pieces of 3mm/0.1inch, and 3 pieces of 2mm/0.08inch. This size and quantity can meet your daily needs.

Premium Material: Our bike handlebar stem spacer is made of quality aluminum alloy, which is very strong and not easy to wear and tear, you can rest assured to use it for a long time.

Easy to Install: This makes the bike headset spacer very easy to install, not easy to deform, can effectively adjust your grip, and it is suitable for most bikes.

🌞 Package: 5 PCS bike handlebar spacers, 1* 3mm, 2* 5mm, 2* 10mm, provide various to adjust height of handlebars to fit your riding style.

🌞 Appearance and performance: Automatic cutting, smooth, fit most of the road bicycles, delicate texture and durable to use.

🌞 Material: The bike stem spacers are made of carbon fiber, lighter weight, more resistant to high temperature, and friction.

1.Package including: Total have 11pcs Carbon Fiber Bike Fork Washers. 7 sizes of spacers, they are 1 mm, 2 mm, 3 mm, 5 mm, 10 mm, 15 mm, 20 mm. You can match them to any height you want. They are 2 x 1mm, 2 x 2mm, 2 x 3mm, 2 x 5mm, 1 x 10mm, 1 x 15mm, 1 x 20mm.

2.Material: The bicycle headset spacer is made from carbon fiber material, heat-resistant, impact-resistant, sturdy and durable, beautiful appearance, light weight.

3.Size: The inner diameter of the spacer is 28.8 mm and the outer diameter is 34.9 mm, suitable for most bicycles. Suitable for 1 1/8"(28.6mm) fork stem tube of most mountain bike, road bike, MTB, BMX, touring bike and etc.