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The 8 Best bike headset spacers of 2024

Are you trying to find bike headset spacers among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling bike headset spacers on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 18 hours of research and did 31 bike headset spacers tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best bike headset spacers you can buy today

No. 1
Kbrotech Bicycle Headset Spacer Aluminium Alloy Bike Stem Headset Spacers Fork Washer Fit for 1 1/8-Inch Stem 2mm 5mm 10mm (8pieces) (Aluminum Alloy)
  • Fit for 28.6mm front stem fork of MTB, BMX, mountain bike, road bike etc.
  • 8pieces aluminum Headset Spacers 2mmx2,5mmx3,10mmx3.Spaces Inside diameter:28.6mm
  • Lightweight and easy to install.help to raise your handlebar.
  • Made of high-quality aluminum alloy material,CNC finished.
  • 3 different size(2mm/5mm/10mm),they could fit for your demand and meet different needs.
No. 2
Sumind 11 Pieces Bike Carbon Fiber Headset Spacer Bicycle 1-1/8 Inch 20 15 10 5 3 2 1 mm, 7 Size
  • 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
  • Feature of carbon fiber bicycle headset spacer: more resistant to corrosion, harder than aluminum alloy headset spacer, and lighter than aluminum alloy made one
  • Size detail: inner diameter is approx. 28.6 mm while the external is 34.9 mm, total weight is about 45 g
No. 4
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)
  • Package:8PCS bike handlebar spacers in 4 sizes 2mm / 3mm / 5mm /10mm,2 PCS each size, 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, eco-friendly, sturdy and durable to use
  • 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
  • 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
  • Notes: if you go for heavy duty off road ride, you should use aluminum spacers other than carbon spacers, durabale due to automatic cutting, smooth edge, fit most of the road bicycles
No. 5
Fengek 15 Pcs Headset Spacer for Bicycle, 7 Sizes Carbon Fiber Road Bicycle Stem Headset Spacers Kit for 1-1/8 Inch Stem, 1mm 2mm 3mm 5mm 10mm 15mm 20mm
  • 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.
  • Widely Applied for: Inner diamter- 1-1/8 inch/28.6mm. Suitable for most bicycles, mountain bike, road bike, etc. A needed accessory for riding amateur.
  • Warm Note: Please be sure of the product size before buying. Small parts to stay away from children under 3 year old. If you have any questions, please contact us, we will be delighted to solve your problem.
No. 6
18pcs Bicycle Headset Spacer Kit, 4 Sizes Bicycle Headset Spacer Aluminum Alloy Bike Handlebar Stem Spacers for 1-1/8" Mountain Bike Road Bike Handlebar (10mm 5mm 3mm 2mm)
  • 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.
  • Suitable Size: Aluminum headset spacer inner diameter is 28.8mm, 1-1/8" headset spacer set, compatible with 25.4-28.6mm MTB, BMX, mountain bike, road bike, and other front forks.
  • Wide Application: Our bicycle handlebar headset spaces are compatible with many models, such as front forks of BMX, mountain bikes, road bikes, etc. Reminder: Please confirm the size before purchasing.
No. 7
8Pcs Head Stem Spacer Replacement Head Tube Spacer Aluminum Alloy Headset Washer Bicycle Accessories Compatible with 25.4mm Front Stem Fork MTB/BMX/Mountain Bike Silver (4pcs 5mm & 4pcs 10mm)
  • Size : Bike headset spacer is 25.4mm/ 1inch. Inner diameter is approx. 25.4mm while the external is 30.5mm/ 1.2inch.
  • Material : Bicycle headset spacers are made of anodized aluminum alloy and machine cut with ultra-precision diamond blades for a smooth finish and exquisite workmanship.
  • Uses : Head tube spacer is used for raising your handlebar. Compatible with 25.4mm front stem fork of MTB, BMX, mountain bike, road bike etc.
  • Package Included : 4pcs 5mm and 4pcs 10mm head stem spacer.
  • Note : Please check that our products are what you need before you buy.
No. 8
ONGHSD 9 Pieces/Set Carbon Fiber Bike Headset Spacer Kit 1/2/3/5/8/10/15/20/30mm MTB Bike Headset Rings Bicycle Headset Spacer Kit Fits for 1 1/8 Inch Road Mountain Bike Stem Spacers
  • 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.
  • Compared with aluminum alloy bike stem spacers,it’s more hard,better strength,more friction resistance and high corrosion resistance.
  • Inner diameter is approx. 28.6mm,external is 34.9mm.This headset spacer set fits for 1-1/8" bike headset stem.Universal for most bicycle,like mountain bike,road bike,MTB bike,BMX and etc.
No. 9
TiTo Titanium 4/6 Pcs Bicycle Headset Spacer 1-1/8 Inch 5-10-15-20-25-30mm Bike Handlebar Stem Spacers Threadless for MTB BMX Mountain Road Bikes Cycling(Glossy)
  • 【Material】Pure Titanium. Strong and sturdy, light weight, good strength and well temperature resistance, good impact resistance.
  • 【Size】Dia 28.6mm. Length: 5mm 10mm 15mm 20mm 25mm 30mm.
  • 【Feature】More resistant to corrosion, more hard than aluminum alloy headset spacer, and lighter than aluminum alloy made one.
  • 【Package】6 Piece Kit. Weight: 54g/set. This package contains 6 different sizes, let you have a more precise height adjustment.
  • 【Universal Fit】Suitable for 1 1/8"(28.6mm) fork steerer tube of most mountain bike, road bike, MTB, BMX, touring bike and etc.We're so confident about our product quality that we can provide a 1-year warranty!
SaleNo. 10
RACE FACE HEADSET SPACER KIT WITH TOP CAP BLACK ALUMINUM
  • 4 different height 1-1/8" spacers and a top cap, all with Race Face logos
  • Material: Aluminum
  • Stack:2, 5, 10, 15mm
No. 11
PLATT Bike Headset Spacer Aluminium Alloy Bicycle Stem Headset Spacers Fit 1 1/8-Inch Stem for MTB BMX Road Bikes 2/3/5/10mm(Red 7PCS)
  • Use for 1-1/8" (28.6mm) Front Stem Fork.
  • MATERIAL:Made of high-quality aluminum alloy material,Great Anti-corrosion and Lightweight, Only about 35g (7PCS)
  • FEATURES:Comes Anodized in Black,Red,Blue and Gold,Colorfast Surface,Ultra Precision Diamond Blade Machine Cut, Fit All BMX/Road /Mountain Bikes.
  • Multi-SIZE : 4 Different Size for You to Adjust The Appropriate Height,and the Small Size of Spacer Headset(2mm/3mm) Let You Have a More Precise Height Adjustment.
  • PACKAGE INCLUDED: 1*2mm, 1*3mm, 1*5mm, 4*10mm (7Pcs)
No. 12
RouLiPouLi 12 Pieces Bike Headset Spacer Carbon Fiber Bicycle Front Fork Stem Spacers Fit 1 1/8-Inch Stem, 1 2 3 5 10 15 mm
  • 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.
  • The inner diameter of the spacer is 28.6 mm and the outer diameter is 34.9 mm, suitable for most bicycles.
No. 13
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.
54 Consomer Reviews
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.
  • 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.
  • Appearance: automatic cutting, all sizes can be stacked seamlessly, smooth edge, delicate texture and durable.
  • Compatible Dimensions: The inner diameter is about 28.6 mm, the outer diameter is 34.9 mm, the total weight is about 35g. Perfect for most mountain bikes, road bikes, and 28.6 mm front bar fork bikes.
No. 14
Funn Descend Headset Spacer Kit (3mm/ 5mm/ 10mm/ 15mm)
  • Designed to work with threadless headsets
  • Adjust and fine tune your handlebar position with headset spacer kit
  • Each set contains 4 spacers (3mm/5mm/10mm/15mm)
No. 15
MiOYOOW 10Pcs Bike Headset Spacers, 5/8mm Bike Fork Steerer Headset Spacers Aluminum Alloy Handlebar Stem Spacers for 1-1/8 Inch Stem
3 Consomer Reviews
MiOYOOW 10Pcs Bike Headset Spacers, 5/8mm Bike Fork Steerer Headset Spacers Aluminum Alloy Handlebar Stem Spacers for 1-1/8 Inch Stem
  • Premium 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.
  • Package Included:Set of 10pcs (2 X 5mm /8 X 10m), 2 different size provide various combination to adjust height of handlebars to fit your riding style.
  • Appearance & Performance: Automatic cutting, smooth edge, fit most of the road bicycles, delicate texture and durable to use.
  • Scope Of Application: Suitable for 1-1/8" (28.6mm) front stem fork of MTB, BMX, mountain bike, road bike etc.
  • After-Sale Service: Thanks for your purchase. If you have any problem , please feel free to contact us any time. We promise you the satisfying solutions within 24 hours.
No. 16
GANOPPER Headset Spacer 1 1/8 Mountain Bike MTB Stem Spacer Road Bicycle Handlebar Stem Cap Headset Star Nut with Bolt for Bicycle Steerer Fork
  • 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.
  • Comes Anodized in Red,Colorfast Surface,Ultra Precision Diamond Blade Machine Cut.Multi-size for You to Adjust The Appropriate Height
  • Package includes:MTB Aluminum Stem Spacer *5pcs(10mm*4,5mm*1),headset star nuts*1,Stem Top Cap Cover*1,Headset Bolt*1
No. 17
Keenso Headset Spacers, 4Pcs Aluminum Alloy Fork Bottom Spacer Tube Spacers Fork Bottom Spacer Black 5/10/15/20mm
  • 【Specifications】-- Condition: 100% Brand New, Material: Aluminum alloy, Color: Black, Red, Blue, Silver (Optional), Quantity: 4pcs, 4Pcs/Set Size(Height): Approx. 5m/10mm/15mm/20mm, Suitable for: 28.6mm Bicycle Front Stem Fork
  • 【For 28.6mm Front Stem Fork】-- Headset spacers, perfectly suitable for 28.6mm front stem fork of MTB mountain bike, road bike etc
  • 【Simple Installation】-- Lightweight and easy to install, our fork bottom spacer has smooth surface and exquisite workmanship, bringing you a great experience
  • 【4 Sizes】-- We have 4 different size(5mm/10mm/15mm/20mm) into on pack, they could fit for your demand and meet different needs. Available in 4 colors, just choose the color you like
  • 【Rustproof and Durable】-- This headset spacer crafted from high-quality aluminum alloy material, eco-friendly, sturdy and durable to use. Long time outdoor use will not rust and
No. 18
CyclingDeal Alloy Road Bike Bicycle MTB Fork Steerer Headset Spacers 1-1/8" 9PCS Kit Set 2mm, 3mm, 5mm, 10mm, 15mm
  • Universal Fit: Suitable for 1 1/8"(28.6mm) fork steerer tube of most mountain bikes, road bikes, MTB, BMX, touring bikes and etc.
  • Quality Material: Print-black alloy material offers incredible strength, good temperature resistance, lightweight and sleek looking.
  • 9 Piece Kit: 5 sizes, 9 pieces to get a wide range of height combinations to set the optimal position for best riding performance.
  • Specs: Fit size: 1-1/8" fork steerer tube. Package: 1 x 2mm, 1 x 3mm, 3 x 5mm, 3 x 10mm, 1 x 15m.
  • ORDER NOW, WORRY FREE! We're so confident about our product quality that we can provide a 1-year warranty!
No. 19
Saipe 9PCS Aluminium Alloy Bicycle Headset Spacer 1-1/8 inch 28.6mm Bicycle Front Fork Stem Spacers Kit 2mm, 3mm, 5mm, 10mm with Stem Top Cap, Long Bolt, Headset Star Nut for MTB BMX Road Bike (Black)
  • 【Headset Spacer Kit】Compatible with 1-1/8" (28.6mm) front stem fork of MTB, BMX, mountain bike, road bike etc. Light weight, strong pressure resistance, not easy to deform.
  • 【High Quality Material】 Headset Spacer & Top Cap made of Aluminum Alloy for lightness, Bicycle Fork Headset Star Nut & Bolt made of Steel for durability. Smooth surface, exquisite workmanship, sturdy and durable to use.
  • 【Multi-Sized Headset Spacers】4 different sizes for you to adjust the appropriate height, and the small size of spacers (2/3/5/10mm) let you have a more precise height adjustment.
  • 【Bright Colors】Headset Spacer Kit with black anodized treatment, the surface does not fade, and it is machine cut with ultra-precision diamond blades. Beautiful colors, great bike accessories!
  • 【Package included】6pcs Bike Headset Spacer (10mm*3, 5mm*1, 3mm*1, 2mm*1) + 1pcs Headset star nuts + 1pcs Stem Top Cap + 1pcs Headset Bolt. This set can meet your cycling needs!
No. 20
ODIER Mountain Bike Headset Spacers 1 1/8 Inch BMX MTB Bike Stem Parts Bicycle Handlebars Riser Accessories 2 3 5 10mm 6 Piece 6061 Aluminum Alloy (Black)
  • 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.
  • What kind of bike does it apply to? You can use it for your MTB bike BMX bike road bike or even a electric bike.

How to choose a good bike headset spacers

Does the idea of finding a fantastic bike headset spacers make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in bike headset spacers. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top bike headset spacers products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top bike headset spacers on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top bike headset spacers brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top bike headset spacers based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the bike headset spacers were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good bike headset spacers, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your bike headset spacers.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting bike headset spacers for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our bike headset spacers. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what bike headset spacers should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on bike headset spacers.