4" Diameter Boat Trailer Wobble Roller Smooth 21mm Bore 3" Wide Blue Boat Jet Ski Trailer
Suitable For All Boat Types
107mm (4") Diameter by 80mm (3.14") Wide
Suit 18mm or 20mm Spindle
UV Stable Polyurethane
We find the easiest way to make sure these wobble rollers are the right size is to use a 2 dollar coin(20.5mm) and if it slides through or is the same size as the spindle, then these are the correct size for you.
Wobble Rollers take approximately 40% of the load of your boat on your trailer. It is important to have good quality wobble rollers to ensure your boat travels properly and safely, while still making it easy to launch and retrieve your boat. Our wobble rollers are the perfect replacement roller for your old worn down wobble rollers.
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