SKU: 45261654684

Velobike Steerer Tube Extender

Sale price$64.76 Regular price$71.95
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Ships within 48 hours · Estimated delivery Aug 6 - Aug 11

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Description

Velobike Steerer Tube ExtenderEver had trouble fitting a new stem to a fork only to find that the steerer tube is now too short? The Velobike steerer tube extender raises the height of your steerer by up to 18mm. Precision machined from aluminium; the lightweight extender means you no longer have to purchase a new fork for your frameset. SPECIFICATIONS 10mm, 15mm and 18mm extension heights available 50mm deep expansion plug Standard M6 insert thread for stem top caps Suitable for

Ever had trouble fitting a new stem to a fork only to find that the steerer tube is now too short? The Velobike steerer tube extender raises the height of your steerer by up to 18mm. Precision machined from aluminium; the lightweight extender means you no longer have to purchase a new fork for your frameset.

SPECIFICATIONS
10mm, 15mm and 18mm extension heights available
50mm deep expansion plug
Standard M6 insert thread for stem top caps
Suitable for aluminium and carbon steerer tubes
6061 Aluminium
Fits 1 ⅛ (1.125” / 28.5mm) steerer tubes
Tighten up to 6N/m
Available in Black (to match a carbon steerer), or Silver (to match an aluminium steerer).
We strongly recommend to epoxy bond them into your steerer tube for best security, and to ensure a secure bond and hold.

FAQ

Will this fit any bike?
The extender can be fitted to any bike with a standard 1 ⅛ steerer tube. This includes many modern road, or mountain bikes.

Is it strong?
Yes, This type of expansion plug system is common for steerer tube and headset assemblies. We have opted for a longer 50mm knurled plug for the extra security and stiffness. Most headset plugs are around 30mm.

If security is still a concern, the extender can be epoxy bonded into the steerer for a more permanent solution.

Can you make the extension longer than 18mm?
In theory, yes it is possible to make them longer, however, for safety reasons we have set the maximum height at 18mm. We suggest you have at least half of your stem clamping around your original steerer tube.

The extender is too large in diameter to fit inside my steerer tube.
Every steerer tube can have different internal dimensions - especially carbon ones where the internal dimensions are variable. We have designed the extender to have a tighter tolerance fit into most steerer tubes than your standard headset expansion plug for safety and security.

Prior to purchasing, measure the inside diameter of your steerer tube. If it measures any smaller than 22.50mm, you may need to sand some material out. This intersection zone between the steerer tube and expender is only 3mm deep, so not very much material will need to be removed from the inner edge of your steerer tube. If in doubt, ask us - we can aid with installation.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 45261654684

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Trasha
Lowell, US
★★★★★ 5
Nice
Size: X-Large, Color: Royal Blue
Nice to size great fit very nice
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Reviewed in the United States on March 10, 2026
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Mark
Grantham, US
★★★★★ 5
Suit looks great for fun formal events
Size: X-Large, Color: Green
The style and fit are great. I did notice a white thread in the shoulder poking out. I used a marker to darken it so it was not noticeable but other than that this suit really looks great. We have a music event in a couple of weeks that I am wearing this to and think it will delight as a sharp but different. I was also happy that it did not require alterations, sleeve length was on spot and everything fit great (XL) also this is a slim fit but I am not that slim and it fit nicely on me. As long as it doesn't disintegrate during the event I will consider this money well spent.
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Reviewed in the United States on January 13, 2025
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Lis George
Cuba, US
★★★★★ 5
Very stylish & tailored fit
Size: Small, Color: Pink
My husband purchased this suit as a “flower-bro” at my sister’s wedding. Unfortunately the color theme for the wedding was changed so he had to change it out which I was sad about because it fit him very well and looked great! The quality was good and the fit looked tailored.
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Reviewed in the United States on January 7, 2026
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Amazon Customer
Houston, US
★★★★★ 5
Loved
Size: Small, Color: Sliver, Size: Small, Color: Sliver
Loved it. Fit well, sizing was good, however think I could have gotten my son the next size down. We ended up buy a smaller size pants.
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Reviewed in the United States on April 19, 2026
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Brittany
West Palm Beach, US
★★★★★ 5
Beat tuxedo ever !!!
Size: Large, Color: Royal Blue
So beautiful. The texture, design, and quality.
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Reviewed in the United States on May 31, 2026

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