Quick Summary
The GANOPPER 1 Inch Bicycle Handlebar Stem Spacer Set is a bike headset spacer set for 1 inch stems and forks. It is a silver aluminum alloy spacer set with a 25.4 mm diameter and a 5-piece package.
This set includes 10 mm and 5 mm spacers. Check the exact headset and fork size before choosing, since the fit depends on the 1 inch, 25.4 mm format.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Brand | GANOPPER, for straightforward product identification. |
| Product type | Bicycle handlebar stem spacer set for headset and fork use. |
| Size | 1 inch and 25.4 mm diameter, so the fit must match the bike setup. |
| Material | Aluminum alloy, which is the stated spacer material. |
| Color | Silver. |
| Quantity | 5 pieces total. |
| Included spacer sizes | 10 mm x 4 and 5 mm x 1. |
What to Compare Before Buying
- Stem and fork size: This set is made for 1 inch and 25.4 mm use, so compare that size with your bike.
- Spacer count: The package contains 5 spacers, which affects how much height adjustment you can build with the set.
- Spacer thickness: The included 10 mm and 5 mm pieces let you compare the stack-up you need.
- Material: The spacers are aluminum alloy, which is the stated material for the set.
What Is Included
The package includes 5 aluminum stem spacers: four 10 mm spacers and one 5 mm spacer.
Before You Decide
Confirm that your bike uses a 1 inch, 25.4 mm stem and fork setup. Also check whether the 5-piece spacer mix matches the height adjustment you want before choosing an offer.








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