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Updated: 06 Apr 2026

10 Best Bike Headset Spacers Bmx

#1 Best Pick
Auto-plaza 10X Bicycle Head Stem Spacer Replacement Head Tube Spacer Aluminum Alloy Headset Washer Accessories Compatible with Front Stem Fork MTB Bike BMX Mountain Bike (Silver, 1.13”)

Auto-plaza 10X Bicycle Head Stem Spacer Replacement Head Tube Spacer Aluminum Alloy Headset Washer Accessories Compatible with Front Stem Fork MTB Bike BMX Mountain Bike (Silver, 1.13”)

Brand: Auto-plaza
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  • Made of high-quality aluminum alloy, precision machined and cut, with a smooth surface, high strength, and corrosion resistance.
  • Used to increase the height of the handlebars, compatible with various mountain bikes, off-road vehicles, mountain bikes, and road bikes.
  • The inner diameter is approximately 28.6mm/ 1.1", the outer diameter is 34mm/ 1.3", and the height is divided into 10mm and 5mm.
  • Easy to install, you can add washers of different heights according to your own needs to adjust the handlebars to the most suitable height.
  • There are 10 pieces in one package, 5 pieces each with a height of 10mm and 5mm.
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#2 Best Value
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)

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)

Brand: ODIER
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  • 1-1/8" Headset Spacer Set
  • Includes one each: 2mm,3mm, 5mm, 10mm x3.
  • Black anodized aluminium alloy, CNC finished.
  • Buy light weight MTB pedal together and get 8% off. ASIN: B07CJV2KTQ
  • NOTE: if you go for heavy duty off road ride, you should use aluminum spacers other than carbon spacers.
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#3 Budget Pick
10X Bicycle Head Stem Spacer Replacement Head Tube Spacer Aluminum Alloy Headset Washer Accessories Compatible with Front Stem Fork MTB Bike BMX Mountain Bike (Silver, 1”)

10X Bicycle Head Stem Spacer Replacement Head Tube Spacer Aluminum Alloy Headset Washer Accessories Compatible with Front Stem Fork MTB Bike BMX Mountain Bike (Silver, 1”)

Brand: Auto-plaza
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  • Made of high-quality aluminum alloy, precision machined and cut, with a smooth surface, high strength, and corrosion resistance.
  • Used to increase the height of the handlebars, compatible with various mountain bikes, off-road vehicles, mountain bikes, and road bikes.
  • The inner diameter is approximately 25.4mm/1 ", the outer diameter is 30.5mm/1.2", and the height is divided into 10mm and 5mm.
  • Easy to install, you can add washers of different heights according to your own needs to adjust the handlebars to the most suitable height.
  • There are 10 pieces in one package, 5 pieces each with a height of 10mm and 5mm.
Check latest price on Amazon
#4 Top Choice
VGOL 8PCS Bicycle Headset Spacer Bike Front Stem Fork Washer 5mm/10mm/15mm/20mm Aluminum Alloy Headset Spacer for MTB BMX Road Bike Black

VGOL 8PCS Bicycle Headset Spacer Bike Front Stem Fork Washer 5mm/10mm/15mm/20mm Aluminum Alloy Headset Spacer for MTB BMX Road Bike Black

Brand: VGOL
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  • This package contains 4 different sizes, 5mm, 10mm, 15mm, 20mm, each size 2 pcs. Small size of spacer headset let you have a more precise height adjustment.
  • The bicycle headset spacer is made from aluminium alloy material, lightweight and durable, strong hardness and not easy to get deformed.
  • These headset spacers are very lightweight, easy to install on your bike, and it won't add any burden to your bike, you will feel comfortable when riding.
  • Head tube spacer is used for raising your handlebar. Compatible with 28.6mm front stem fork of MTB, BMX, mountain bike, road bike etc.
  • Please check that our products are what you need before you buy.
Check latest price on Amazon
#5 Popular Choice
10X Bicycle Head Stem Spacer Replacement Head Tube Spacer Aluminum Alloy Headset Washer Accessories Compatible with Front Stem Fork MTB Bike BMX Mountain Bike (Black, 1.13”)

10X Bicycle Head Stem Spacer Replacement Head Tube Spacer Aluminum Alloy Headset Washer Accessories Compatible with Front Stem Fork MTB Bike BMX Mountain Bike (Black, 1.13”)

Brand: Auto-plaza
Read more
  • Made of high-quality aluminum alloy, precision machined and cut, with a smooth surface, high strength, and corrosion resistance.
  • Used to increase the height of the handlebars, compatible with various mountain bikes, off-road vehicles, mountain bikes, and road bikes.
  • The inner diameter is approximately 28.6mm/ 1.1", the outer diameter is 34mm/ 1.3", and the height is divided into 10mm and 5mm.
  • Easy to install, you can add washers of different heights according to your own needs to adjust the handlebars to the most suitable height.
  • There are 10 pieces in one package, 5 pieces each with a height of 10mm and 5mm.
Check latest price on Amazon
#6 Top Pick
Unron Bike Headset Spacer, MTB, Road Bike and BMX Headset, Carbon Fibre, 9 Sizes 1/2/3/5/8/10/15/20/30 mm, Compatible with 28.6 mm Stems, Universal Fit, Unron.

Unron Bike Headset Spacer, MTB, Road Bike and BMX Headset, Carbon Fibre, 9 Sizes 1/2/3/5/8/10/15/20/30 mm, Compatible with 28.6 mm Stems, Universal Fit, Unron.

Brand: Unron
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  • Size Range: 9-size bike headset spacer kit—1/2/3/5/8/10/15/20/30 mm—for accurate stack tuning. Compatible with 1-1/8" (28.6 mm) stems; ideal for mtb headset and road cockpit setups.
  • Height Tuning: Precise adjustments help dial cockpit position for comfort and control; small increments simplify setup on trails or tarmac, perfect for bike headset spacer installs.
  • Material: Woven carbon fibre construction is lightweight and temperature-resistant, delivering a clean cockpit look and consistent performance for road bike headset builds.
  • Performance vs Alloy: Compared with aluminium alloy spacers, carbon offers higher hardness and strength with greater friction and corrosion resistance—suitable across BMX headset builds.
  • Compatibility: Fits 1-1/8" (28.6 mm) stems; ID ≈ 28.6 mm, OD 34.9 mm. Universal for most bikes, including MTB, road and BMX configurations; easy to mix heights to meet setup needs.
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#7 Top Pick
eMagTech 8Pcs Head Stem Spacer Replacement Head Tube Spacer Aluminum Alloy Headset Washer Bicycle Compatible with 25.4mm Front Stem Fork MTB/BMX/Mountain Bike Silver (4pcs 5mm & 4pcs 10mm)

eMagTech 8Pcs Head Stem Spacer Replacement Head Tube Spacer Aluminum Alloy Headset Washer Bicycle Compatible with 25.4mm Front Stem Fork MTB/BMX/Mountain Bike Silver (4pcs 5mm & 4pcs 10mm)

Brand: eMagTech
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  • 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.
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#8 Top Pick
NEPIDOVS 16PCS 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 5MM 10MM (Colorful)

NEPIDOVS 16PCS 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 5MM 10MM (Colorful)

Brand: NEPIVDOS
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  • Package Contain:16Pcs Bicycle Headset Spacer in Total.Blue:10mm(4pcs)+5mm(2pcs),Red:10mm(4pcs)+5mm(1pcs),Gold:10mm(4pcs)+5mm(1pcs).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
  • 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
  • Good quality, light weight, good strength and well temperature resistance, good impact resistance
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#9 Top Pick
BEANPRECOY 8PCS Bicycle Headset Spacer Bike Front Stem Fork Washer Aluminum Alloy Bicycle Handlebar Spacers Front Stem Fork Washer 5mm/10mm/15mm/20mm for MTB BMX Road Bike

BEANPRECOY 8PCS Bicycle Headset Spacer Bike Front Stem Fork Washer Aluminum Alloy Bicycle Handlebar Spacers Front Stem Fork Washer 5mm/10mm/15mm/20mm for MTB BMX Road Bike

Brand: BEANPRECOY
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  • 【High Quality Materials】: The bicycle headset spacer is made from aluminium alloy material, lightweight and durable, strong hardness and not easy to get deformed.
  • 【Package Included】: The Headset Spacer has 4 different size(5mm/10mm/15mm/20mm), each size 2 pcs, into on pack, they could fit for your demand and meet different needs.
  • 【Very Practical】: These headset spacers are very lightweight, and it won't add any burden to your bike, you will feel comfortable when riding. Can extend the practical life of the bicycle.
  • 【Easy to Install】: The Headset Spacer is lightweight and easy to install, having advantages of smooth surface and exquisite workmanship, Such a practical tool you will need it.
  • 【Applicable Occasions】: The Headset Spacer is perfectly suitable for 28.6mm front stem fork of MTB mountain bike, road bike etc.Conform to strict quality control standards, dependable to use.
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#10 Top Pick
eMagTech 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 Black (4pcs 5mm & 4pcs 10mm)

eMagTech 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 Black (4pcs 5mm & 4pcs 10mm)

Brand: eMagTech
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  • 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.
Check latest price on Amazon

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