Genuine replacement parts
Service and replacement parts specifically for Trek Knock Block Technology.
Product details
- 3 pack of 10mm spacers specific to the Knock Block system
- Not to be used on a standard headset system
More options
| Model | Trek Knock Block Headset 3 x 10mm Spacers |
|---|---|
| Steerer outer diameter | 28.6mm (1-1/8") |
| Thickness | 10mm |