- Product out of stock
The Trek Knock Block is a headset ring that will allow you to ride with peace of mind.
Sylvain C.
Mechanical expert
The Trek Knock Block is an original spare part, specifically designed for bike models equipped with Knock Block technology. This ring locks the steerer tube to the headset cap and frame dropout to keep you safe on all your rides.
- Outer diameter of fork steerer: 28.6 mm
- Thickness: 10 mm
- Compatible with the Knock Block system only
Our team suggests
You may also like
Questions and answers
Be the first to ask our team a question
No questions for the moment
Other products
To discover