Shop Trek Mountain Bikes: [ Ссылка ]
Knock Block's headset-integrated frame defense solution stops spinning fork crowns and handlebars from damaging your frame.
But how?
Cam McCaul gives us the lowdown.
Find your local Trek retailer: [ Ссылка ]
![](https://s2.save4k.ru/pic/c8EApFT2jYA/maxresdefault.jpg)
Shop Trek Mountain Bikes: [ Ссылка ]
Knock Block's headset-integrated frame defense solution stops spinning fork crowns and handlebars from damaging your frame.
But how?
Cam McCaul gives us the lowdown.
Find your local Trek retailer: [ Ссылка ]