True tyres on the rims they will be used on. True wheels on the axles which they will be used with. Maximise concentricity of tyres, wheels and axle. Reduce the load on slot car motor and gears. Wheels are rounder and cars are quieter!Following Britain leaving the EU 01/01/2021. Please note that if you are outside the UK, there is a potential that import charges will need to be payed when when you receive this item. The item "1/32 slot racing RSM SLOT CAR TYRE TRUER FOR 1/32 OR 1/24 EXCELLENT BOXED" is in sale since Saturday, April 10, 2021. This item is in the category "Toys & Games\Scalextric & Slot Car\Cars\Scalextric (1980-Now)\Boxed Cars". The seller is "markscalemodels" and is located in Stockport. This item can be shipped worldwide.