Brake Bias Adjuster Knob for Front Brake Bias Systems TonyKart included in the kit

included in the kit

Black Anodized Finish for hardness and style

adjustable design

If you're after optimal performance from your engine

Micro or Mini Max

Brake Bias Adjuster Knob for Front Brake Bias Systems TonyKart included in the kitKnurled brake bias adjuster knob for go kart front brake bias systems, anodized black. This knob is ideal for the Righetti brake bias adjuster system, but will fit a multitude of brake bias adjustment systems. This component is denoted as K456N on parts diagrams on front brake bias adjustment systems. Overview With integrated finger grips to make bias adjustment quick and easy, the adjuster knob for by Righetti Ridolfi is M5 x 1. 25 in thread size,