SuperPro launches new steering knuckle to prolong tyre life

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Late model Isuzu D-MAX, MU-X and Mazda BT-50s are known to suffer from bump steer issues, resulting in excessive tyre wear and, in some cases, undesirable handling characteristics.

The issue presents itself in standard-height vehicles and becomes more prominent as you lift them or add additional weight, like accessories.

Previously, regular wheel alignments were the only tool available to owners to mitigate some of the excess tyre wear and poor handling. Not anymore.

SuperPro has developed a world-first, permanent solution for the D-MAX, MU-X and BT-50, that when fitted to a standard height vehicle reduces bump steer almost entirely. The new Steering Knuckle is a game changer for owners of these vehicles.

Why is bump steer an issue?

Bump steer is the change in toe-in (front wheels pointing in) or toe-out (front wheels pointing out) as the ride height of a vehicle changes.

This occurs constantly while driving as a vehicle oscillates over bumps in the road. This wheel movement is amplified by increased weight from towing, heavy loads, accessories, or when a suspension lift has been fitted.

An excessive amount of bump steer is known to cause premature tyre wear and undesirable steering feedback for the driver.

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Excessive inner tyre wear on a late-model D-MAX

What does the SuperPro steering knuckle do to help?

Adam from VideoShowMeHow has the steering knuckle installed on his late-model D-MAX.

“When I saw the D-MAX, pre-install on the alignment laser rig it was very obvious the factory steering geometry could definitely be improved,” he said.

The SuperPro steering knuckle optimises the steering geometry of the D-MAX, MU-X and BT-50, reducing the amount of bump-steer at a range of ride heights.

When fitted to a lifted vehicle, the steering knuckle reduces bump steer by around 75 per cent. This figure is reduced by a further 10-15 per cent when combined with fixed upper control arms. When the knuckles are installed in a standard-height vehicle, bump steer is reduced almost entirely!

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Michael Sargent, store manager at Fulcrum Capalaba, worked closely with the SuperPro research and development team to test fit the product.

“We’ve seen a drastic improvement in the vehicles we fitted the steering knuckle to,” he said.

“I think people are fully aware how much the excess tyre wear is costing them every year and they want it fixed as soon as they can, especially with increased cost of living pressures,” he said of the tyre wear and expense to vehicle owners. “The improvement in handling is an added bonus, helping to reduce driver fatigue.”

Available now!

The SuperPro steering knuckle is available to purchase through fulcrumsuspensions.com.au and local SuperPro stockists. Professional fitment at a suspension service centre is advised.

For further information, visit superpro.com.au or call 1800 385 278. For trade customers, please contact 1300 360 922.

SuperPro now also has a kit with UCAs, which can be found HERE.