Trek Trek Knock Block Headset Spacers
$41.99
Details
Trek proprietary headset spacers compatible with Trek Knock Block model bikes.
- 3 pack of 10mm spacers specific to the Knock Block system
- Not to be used on a standard headset system
Part Numbers
| Option | UPC | MPN | Store SKU |
|---|---|---|---|
| Black | 840031005243 | W518016 | HEA48181190K |