Crazy Crawler CYC075 - LaserFoam 1.55 R83x20 WP magic (2 pieces)Tire inserts 1.55 for 1/10 scaler and crawler. WP magic version for vehicles up to a total weight of approx. 4.5-6.5 kg. Specially made for BoomRacing 1.55 SP Road Tracker - Gekko Compound (#BRTR15501 - not sold by us).The Crazy Crawler LaserFoams 1.55 R83x20 WP magic are special cut tire inserts made of foam. They give the 1.55 tires significantly more lateral stability and still remain nice and soft on the tread. The material and cut shape ensure that the tire only rolls in the immediate area ofthe profile, which ensures the best driving characteristics and a scaled look.In fact, this tire insert must first be "retracted" to develop the perfect performance in the tire.The material clings to the tire, ride by run. The direct connection of the tire with the serrations results in a unit without slipping internal twisting or pulling away of the tire (walking), the elementary basis for safe vehicle inspection in every driv