RACETORX THUMB BRAKE 

Made from T6 billet aluminium, Hard anodised in either silver or black, Hardware including pivot pins and push rods are made from Ti 6Al-4V Titanium.

The thumbscrew provides a detent ball for precision and a 11mm or 13mm Brembo master cylinder for reliability and perfect thumb pressure with the thumb lever providing a knurled finish for grip.

Handlebar fitment is the standard 22mm