The must have hex sets for your XB4! Now use off the shelf wheels or even fellow racers tire sets on your XB4 - with so many tire compounds you can now 'try' before you 'buy. Precision machined alloy hexes with a secure clamping design. Designed to use rear 1/10 buggy Associated, Losi, Kyosho or similar off set wheels on the rear of your XB4.
