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| We guarantee the best prices! | Make your commute more enjoyable! | Flexible payment options available! | When you order before 3pm* | When you spend over £50* |
2 in stock, delivered in 3-4 days.
Collect the same day when you order by 3pm!
(Mon-Sat only)
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
Trust our 14 years of experience in the bicycle insurance industry. Our comprehensive, customisable, and competitively priced coverage includes easy online quotes, fast claims handling, and expert customer service.
We offer 10 days free cover with all new bikes purchased, provided by our insurance partner VeloLife. You will be covered for the first 10 days of ownership against theft and accidental damage, so you can purchase with confidence.
Give yourself the comfort of no obligation free insurance, make sure you have peace of mind from the moment you leave the store. If anything happens to the bike in the first 10 days of ownership, know you are covered!
