Trek KnockBlock Headset Lockring Spacer
BLACK
545523
840031030061
The KnockBlock Headset Lockring Spacer TREK KNOCK BLOCK LOCKRING SPACER 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 components compatible with Trek Knock Block models.
- For locking the steer tube to the headset bearing cover and frame chip
- Only for use with Trek Knock Block systems
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