Products · Accessories

Zero rim contact. Gear-driven security.

TreadPlus QC15 and QC20 touchless clamps grip the tire with a self-centering, gear-driven mechanism while keeping their metal structure away from the wheel during normal use.

QC Series

Choose the capacity your alignment bay requires.

Both clamps use a high-speed turning flywheel, dedicated lock and integrated arms without separate extensions within their published ranges.

Choose your capacity

QC15 or QC20?

Select by the largest tire assemblies the bay expects to service.

SpecificationTreadPlus QC15TreadPlus QC20
Maximum tire diameterUp to 32 inchesUp to 43 inches
Weight per clamp2.4 kg (5.3 lb)2.7 kg (5.9 lb)
MechanismTurning flywheel with lock and unlockTurning flywheel with lock and unlock
Extension hardwareNot required within published capacityNot required within published capacity
Primary applicationPassenger and light-commercial vehiclesOversized, light-truck and off-road applications

Stable engagement

Designed to hold its position on the tire.

The gear-driven lock helps prevent the clamp from slipping against the rubber. Tire-sidewall flex remains part of any tire-mounted setup and is accounted for through the approved runout-compensation workflow.