Precision-machined aluminum construction ensures durability and lightweight performance
Available in 10mm, 15mm, and 18mm extension heights for versatile fitment
50mm deep expansion plug provides extra security and stiffness
Fits standard 1 1/8" and 1 1/2" steerer tubes for broad compatibility
Easy installation and removal with epoxy bonding or standard bolts
Summarized by Shop
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 light weight extender means you no longer have to purchase a new fork for your frameset.
Note: When using the longer
Extension Heights
10mm, 15mm, 18mm
Expansion Plug Length
50mm
Material
6061 T6 aluminum
Weight
10mm 62g, 15mm 67g, 18mm 71g
Compatible Steerer Tube Size
1 1/8" (28.5mm) and 1 1/2" (28.5mm)
Thread
Standard M6 insert
Summarized by Shop
4.9
50 ratings
5
4
3
2
1
Works as expected! Great for tricky short steerer tubes
A
Anonymous · 18 days ago
Awesome product worked just as described solved my to lower stack height without having to spend a lot of money on a new fork.
J
Jeffrey · June 28, 2026
Excellent quality product. Solves my problem with the steerer cut too much