FSA Headset Micro-Spacer

These spacers are designed to create a tiny gap between your headset's top cover and the headtube. This prevents the top cover from rubbing against the frame, which ensures smooth steering and protects your headtube finish.

Each micro-spacer measures exactly 0.25mm in height. This allows for very precise adjustments when you need to fine-tune your headset stack height or alignment.

No, they are specific to certain steerer tube diameters. You must choose the correct version for your bike: the MW034 model is for 1-inch steerers, while the MW006 model is for 1-1/8-inch steerers.

Each pack includes 10 individual micro-spacers. This quantity is usually sufficient to dial in the fit for multiple bikes or to make adjustments on a single headset over time.

Yes, you can stack them to achieve the exact clearance you need. Because they are only 0.25mm each, they are designed to be used in combination to reach the precise height required for your specific setup.