This type is mainly for big truck, with tirediameter above 90cm.

Fits tire from 90cm to 130cm.

Gross: around 25 KG.

Operation:

First, take the top arm away from the wheel lock andfix the other two arms on the below parts of the tire, tighten itby supplied crank( you can see there''re holes on every arm of thewheel lock), later, put the top arm into the wheel lock, in thethree arms clamp the tire as the picture shows. Then at the middlepart( where the three arms fixed together), there''s lock shall belocked at last. That''s all the operation.