WHEELS Mfg Headset Spacer

This spacer is designed for standard 1-1/8 inch threadless steerer tubes, which is the most common size for modern road and mountain bikes. If you are unsure of your fork size, check your bike's specifications or measure the outer diameter of your steerer tube.

Yes, you can stack multiple spacers to achieve your desired handlebar height. Just ensure that your steerer tube is long enough to accommodate the total stack height and that your stem can still securely clamp onto the steerer.

The primary benefit of carbon fiber here is weight savings. While the difference is marginal for a single spacer, it is a nice way to shave a few grams off your bike's front end without sacrificing structural integrity.

Yes, as long as your bike uses a standard 1-1/8 inch threadless headset system, this spacer will work perfectly regardless of whether it is a road, gravel, or mountain bike.

No, this product listing is for a single 20mm spacer. If you need to adjust your stack height by more than 20mm, or if you prefer to mix and match sizes, you will need to purchase additional units.