Features:
Made of silicone rubber materials, waterproof and temperature resistant.
Offer counterweight effect, improving the stability of your RC car.
More superb sidewall support than regular foam to keep the shape of tires.
It improves traction and grip to help your rig to out of tough situations.
Suitable for INJORA 1.9 CNC wheels, recommended to use INJORA S3 compound tires. If use your own wheels, please check whether the size of foam fit with your clamp ring.

Specifications:
Material: Silicone Rubber
Size: 110*36mm (4.33*1.42in)
Weight: 70g/pcs (2.47oz)
Green: Softest, suit for 3-5lb RC Crawlers
Blue: Medium, suit for 6-10lb RC Crawlers
Red: Hard, suit for more than 15lb RC Crawlers

Package List:
4 * Silicone Rubber Inserts