Features:
Fits the following Pro-Line tires;
Interco TSL SX Super Swamper 1.9
Flat Iron XL 1.9
BF Goodrich T/A KR2 1.9
Hyrax 1.9
Lightweight and waterproof blue closed cell inner foam construction
Outer made from soft open cell foam that provides maximum grip while maintaining a fully supported sidewall for greater side hilling performance

Includes: Two Pro-Line 1.9 dual stage foam inserts in blue and white

Specs:
Diameter: 4.15 (105mm)
Width: 1.60 (41mm)
Outer Thickness: 0.75 (19mm)