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Bike Headset Expander Stem Top Cap Alloy Compression Plug Star Nut Mountain Road Bike Expansion Bicycle Front Fork Steer

15 Reviews

10000 in stock



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Bike Headset Expander Stem Top Cap Aluminum Alloy Compression Plug Star Nut Mountain Road Bike Expansion Bicycle Front Fork Steerer
Lengthened three-section design: Compared with the ordinary 1 section/2 section, the force area is larger, the fit is better, and the stability is better.

Body material: Aluminum alloy
Product color: Silver
Product packaging size: about 95x60x30mm/3.74×2.36×1.18in
Product net weight: about 49g
Expansion range: 22.2-25.4mm/0.87-1in
Applicable upper end diameter: 25.4mm-28.6mm/1-1.13in front fork (most mountain bike specifications)
Suitable for: carbon fiber front fork and mountain suspension

Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
Please allow 1-2cm measuring deviation due to manual measurement.

1 X Bike Star Nut
1.WORLDWIDE SHIPPING.(Except some countries and APO/FPO)
2. Orders processed timely after the payment verification.
3. We only ship to confirmed order addresses. Your order address MUST MATCH your Shipping address.
4. The images shown are not the actual item and are for your reference only.
5. SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit time may vary, particularly during the holiday season.
6. If you have not received your order after 30 days from payment, please contact us. We will trace your order and get back to you asap. Our goal is customer satisfaction!
7. Delivery Time:
1. You have 7 days to contact us and 30 days to return it from the date received. If
the item is in your possession more than 7 days, it will be considered used and WE WILL NOT ISSUE A REFUND OR REPLACEMENT to you. There are NO EXCEPTIONS!
Shipping cost is bear by both seller and buyer in half.
2. All returned items MUST BE in the original packaging and you MUST PROVIDE us with the shipping tracking number, specific reason for the return, and your order ID.
3. We will refund YOUR FULL WINNING BID AMOUNT, upon receipt of the item in its original condition and packaging with all components and accessories included, AFTER BOTH Buyer and Seller cancel the transaction from aliexpress. OR, you may choose to have a replacement.
4. We will bear all the shipping cost if the product(s) is (are) not as advertised.
1. 12 months Manufacturer’s limited Warranty for defective items (excluding items damaged and/or misused after receipt). Accessories come with a 3-month warranty.
2. Defective items MUST BE reported and returned within the warranty period (and in the original packaging, if possible). You must tell us what the defect is and give us your order number. WE DO NOT REPAIR OR REPLACE ITEMS WITH AN
You agree to all of the above-listed policies upon ordering on aliexpress!
We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important. We request that you contact us immediately BEFORE you give us neutral or negative feedback, so that we can perform up your satisfaction.
It is impossible to address issues if we do not know about them!


Mainland China



Model Number






Outside Diameter


Bore Diamete


15 reviews for Bike Headset Expander Stem Top Cap Alloy Compression Plug Star Nut Mountain Road Bike Expansion Bicycle Front Fork Steer

  1. J***g

    Thank you. well received

  2. A***Y

    Delivery was not the fastest. Ordered was red and received… Well, the slide will go in half… The anchor itself is good in appearance. The top of the seeing species and the wrong color.

  3. J***s

    fast shipping, will fit in my new fork and write again

  4. A***k

    Great item and works just as expected! 5*****

  5. G***n

    Everything would be fine, but the logistics pumped up-detained for almost three weeks.

  6. E***l

    Everything is good, everything works and everything corresponds to the description!

  7. S***v

    I bought for a carbon fork. Of course, there are features when installing in contrast to classic anchors, the main thing is not to drag. The anchor liked the performance.

  8. E***v

    Everything is exactly like in the description! Norms detail!

  9. I***K


  10. B***s

    High quality and durable material, recommend.

  11. A***v

    Looks confident.

  12. 9***r

    Everything is fine, I recommend the seller!

  13. L***o


  14. G***g

    Strongly recommend not fixed.

  15. A***v

    It’s okay.

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