MANUTEC 4″ x 3.5″ Poly Smooth Blue Wobble Roller for Boat Trailer (SKU: WRSB90X100X26)

The MANUTEC 4″ x 3.5″ Poly Smooth Blue Wobble Roller is engineered for stability and durability on boat trailers. With a smooth surface for effortless rolling and a 4-inch height by 3.5-inch width build, this roller provides consistent hull support while reducing resistance during loading and unloading.

Its 26mm bore allows compatibility with most standard shafts, and the high-quality polyurethane construction ensures long-term performance, resisting wear, salt, UV, and water exposure. This roller is particularly suited for fibreglass or aluminium hulls where a smooth rolling surface is preferred to avoid surface abrasion.

Key Features:

• Dimensions: 4″ height x 3.5″ width
• Smooth blue poly finish for low-friction performance
• 26mm bore suits standard trailer shafts
• Reduces wear and tear on the boat’s hull
• Ideal for trailers supporting light to medium boats

Whether you’re upgrading your existing roller system or setting up a new trailer, this MANUTEC roller is a reliable and affordable solution for smoother boat transport.

Frequently Asked Questions

Evaluation & Recommendation

This roller is perfect for:

• Trailer owners with fibreglass or aluminium boats
• Anyone needing low-resistance, smooth gliding during launch/retrieval
• Users with a 26mm shaft requirement

If you’re dealing with ribbed rollers causing excessive friction or scratching, this smooth roller offers a much gentler alternative. Not sure if this size fits your setup? Contact us and we’ll help confirm the right match!

Installation Tips:

• Confirm your shaft diameter is 26mm
• Clean shaft and brackets before installing to ensure smooth rotation
• Apply marine-grade lubricant if needed for optimal performance