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Why you should not use Kevlar® brake lines

Why we will not sell Kevlar® reinforced brake lines for motorcycle use.
Kevlar® has poor UV resistance (Kevlar® loses strength roughly twice as quickly in sunlight as polyester and, when affected, the gold Kevlar® fibers turn brown) and rapid loss of strength with flexing, folding and flogging.
Kevlar® motorcycle brake lines needs to be covered so that UV sunlight does not effect it's strength and reliability. Thus all brake lines which are sold as a Kevlar® must have a cover on the outside to protect the Kevlar® from UV rays.

Fact is, the heat shrink that most of these brake lines have they do get broken after a while of use and the Kevlar® material then becomes exposed to UV rays from sunlight. And then the damage begins.
Lightweight? Yes. Good? Yes. If you change it monthly

Also, while riding, if a stone flicks up, which when riding a bike is quite likely, and cuts or removes some of the outer protective cover the Kevlar® braid will be exposed to UV and lose strength.
This fact coupled with the fact that Kevlar® has rapid loss of strength with flexing (and how many times will your brake lines flex with the movement of suspension) make this, in our opinion, an inferior and dangerous choice when considering the best materials for use in brake lines - After all this is what makes your motorcycle stop...

Don't waste your money
Kevlar® is great in the correct environment but not as a cover for motorcycle brake lines - You have been warned. They may offer you a few grams of weight saving but is it really worth it ?
The few race teams who use Kevlar replace every line after each event so the flexing / UV issues are not valid but do you want to replace your lines every month?

Titanium | Brakelines | Accessories | Anybike | Aluminium Danger | Kevlar bad

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