Foam Fills & Inserts

Foam Fills

At Spartech Industries, we can foam fill virtually any size tire you require. Our SPIN-Cast molding process creates dense, firm tread while keeping the sidewall area flexible for a smooth ride. Our Aero-Flex II has the best feel in the industry and our exclusive material resists breaking down over time.

Inserts

Our proprietary production method creates inserts that offer better ride quality and do not break down over time than all others. When reliability is top priority, Alshin inserts are the best option.

Inserts
Diameter	Cross-Section	Part # / Tire Size
6"		I-6" x 1 1/4"
8"		I-8" x 1 1/4"
		I-8" x 1 3/4"
		I-8" x 1 3/4" HD
12"		I-12 1/2" x 2 1/4"
		I-12 1/2" x 2 1/4" HD
14"		I-14" x 2.125"
16"		I-16" x 1.75"
		I-16" x 2.125"
18"		I-18" x 2.125"
20"		I-20" x 2.125"
		I-20" x 1.75"
		I-20" x 1 3/8"
22"		I-22" x 1 3/8"
24"		I-24" x 1 3/8"
		I-24" x 1.75"
25"		I-25" x 1 3/8"
Note: cross section drawings vary in scale