Haweka Products

Duo Expert

Duo Expert …tolerance free wheel centring

HAWEKA's tolerance free expanding collet system. The patented expanding collet system by HAWEKA has enabled 'tolerance free' balancing for hub (centre bore) located wheels.


Haweka Duo Expert - tolerance free wheel centring

Why is this important?

Most of the vehicle manufacturer's wheels today are hub located. This means the wheel fits tightly over a machined hub and the wheel nuts provide the even torque to insure that the wheel is at 90 degrees to the hub.

The Duo Expert system allows the after-market to replicate this and therefore achieve the same balance results as the vehicle manufacturer.

How does this work?

The Duo Expert collet is cylindrical just like the hub of a vehicle. It therefore takes full advantage of how the wheel and the vehicle hub are manufactured. When fully clamped on the wheel balancer the Duo Expert has zero tolerance between the wheel centre hole and outer segments. The Duo Expert collets are used instead of cones and are recommended by many vehicle manufacturers and made mandatory by others like Mercedes-Benz, BMW, Porsche and more.


Duo Expert Series III set of 3

Range 54-78mm # 164 xx0 005

Available in all wheel balancer shaft diameters
xx = wheel balancer shaft diameter (28,36,38,40)

Duo Expert Series III set of 3

Duo Expert Series III set of 5

Range 54-94mm # 164 xx0 605

Available in all wheel balancer shaft diameters
xx = wheel balancer shaft diameter (28,36,38,40)

Duo Expert Series III set of 5

Duo Expert individual collets

Collet No 1 54 - 62mm # 165 400 001
Collet No 2 62 - 70mm # 165 400 002
Collet No 3 70 - 78mm # 165 400 003
Collet No 4 78 - 86mm # 165 400 004
Collet No 5 86 - 94mm # 165 400 006

To arrange a demonstration or request further information:

Call 01752 219 124 or email enquiries(at)haweka.co.uk

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