Trek KnockBlock Headset Spacers
BLACK
W518016
840031005243
The KnockBlock Headset Spacers TREK KNOCK BLOCK HEADSET 3 X 10Â MM SPACERS BLACK is available at the following locations.
The item will be transferred to the location you choose during checkout.
If the item is not currently available to view at your desired location, please call your nearest store to arrange for it to be transferred.
Trek proprietary headset spacers compatible with Trek Knock Block model bikes.
- 3-pack of 10 mm spacers specific to the KnockBlock system
- Not to be used on a standard headset system
- Not to be used on a standard headset system
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