AMK 1.9 Crawler Tire Foam, 108x42mm 1.9 tires Silicone Rubber Insert Foam, 1.9 Tires Waterproof Inner Filler For 1/10 RC Crawler Axial SCX10 CJ-7 Capra BRX01 TF2 GEN8 TRX4 Upgrades

Features:
Replace the traditional absorbent sponge foam lining, not afraid to wade in water
It improves traction and grip
Three layers of hollow, soft and hard optional (you can also cut off part of the lining/plug foam strip, Become softer or harder)
Compatibility is stronger, (we made the size thicker, players can also DIY cut and thin to compatible with narrower tire skin)
More superb sidewall support than regular foam to keep the shape of tires
Single weight is over 70g and 75g, increase the weight of the tire
One size, two kinds of silicone quality, There are more options

Specifications:
Material: Silicone Rubber
Size: 108*42mm (4.25*1.65in)
Blue and red are Hard(Suitable for 5-8kg chassis)
Purple and green are Soft(Suitable for 2-4kg chassis)

Weight:
Blue and Red:84g/pcs (2.96oz)
Purple and Green:82g/pcs(2.89oz)
Quantity: 4Pcs

Package List:
4Pcs Silicone 1.9 Tires Foam