STI MX and Off-Road Heavy Duty Tubes, 110-120/90-19 (4.50/5.00-19) New The AMP Go is simply

The AMP Go is simply the most feature rich and rugged entry-level helmet audio product available

The PreCharger will stop small dirt particles with minimal restriction to the airflow of the filter

Replacement Tie Rod Kit

Clear Waterproof Screw-top Container / Bailer

Road Glide Custom (10-15)

STI MX and Off-Road Heavy Duty Tubes, 110-120/90-19 (4.50/5.00-19) New The AMP Go is simplyAt 2mm thick, the Heavy Duty model is 50 percent thicker than most standard tubes on the market today. The Extreme Duty butyl rubber uses a 3mm spec, making it 30 percent beefier than most heavy duty tubes now available. The Ultra Duty tubes utilize a nearly bombproof 4mm thickness.