O'Brien Shock Ball for Tubes

Designed to keep the rope out of the water, reducing drag and increasing the gas mileage of the boat. Reduced drag provides better performance on turns and slides. Oval shape helps absorb shock on rope. For use on up to 4 rider tubes. 

Features

• Superior Performance - Keeps the rope from dragging in the water to enhance the tube's performance on turns and slides
• Improves Efficiency - Reduces drag for better gas milage
• Lightning Valve - Fast and easy inflation and deflation
• Tow Capacity - For towables that have up to a 4 rider maximum capacity
• Adjustable Line Lengths - 50', 55', 60'