![Sonic Offroad Inc, The Sonic Spider IRS Kit presents the first ever patent pending Independent rear suspension kit for racing ATV's. Sonic Offroad Inc, The Sonic Spider IRS Kit presents the first ever patent pending Independent rear suspension kit for racing ATV's.](https://www.atvriders.com/images/sonicoffroad/sonicspiderirskit.jpg)
Sonic Offroad Inc, The Sonic Spider IRS Kit presents the first ever patent pending Independent rear suspension kit for racing ATV's.
![Sonic Offroad Inc, The Sonic Spider IRS Kit presents the first ever patent pending Independent rear suspension kit for racing ATV's. Sonic Offroad Inc, The Sonic Spider IRS Kit presents the first ever patent pending Independent rear suspension kit for racing ATV's.](https://www.atvriders.com/images/sonicoffroad/ltr450spiderirskit.jpg)
Sonic Offroad Inc, The Sonic Spider IRS Kit presents the first ever patent pending Independent rear suspension kit for racing ATV's.
![Polaris Sportsman / Sportsman Touring Independent Rear Suspension Lockout by Kolpin Powersports - 85200 Polaris Sportsman / Sportsman Touring Independent Rear Suspension Lockout by Kolpin Powersports - 85200](https://cdn11.bigcommerce.com/s-6stcojqw3z/images/stencil/1280x1280/products/1634/5086/85200_kolpin18_wyoming_2_0897_2__03122.1680530424.jpg?c=1)
Polaris Sportsman / Sportsman Touring Independent Rear Suspension Lockout by Kolpin Powersports - 85200
![Independent Rear Suspension IRS for ATV racing, articles, photos quad inspired Outlaw & 700XX - HSD Racing - High Speed Dirt Independent Rear Suspension IRS for ATV racing, articles, photos quad inspired Outlaw & 700XX - HSD Racing - High Speed Dirt](https://www.hsdracing.com/images/HSD-IRS-99-LT250.jpeg)