【Lasting material】The boat trailer bow rollers 4 inch are made of high-quality polyurethane, solid and sturdy, quality and reliable; this material is also not easy to deform and break, and it has a long service life. there is no smell when the package is opened, Long-term exposure to wind and sun will not fade.besides, bow roller is resilient, shock-absorbent and non-marking. 【Product Size&Assembly Includes】Inner roller is 4inch wide,Overall width is 7-3/8inch,The inner diameter of the mounting hole is 1/2inch.Fits 4 inch wide center roller bracket. This assembly includes the a 4 inch bow roller for boat trailer, the 2 bells, and bolt to mount. 【Work Great】The boat trailer roller 4inch designed to support the weight of your boat on the trailer,absorbs road shock.there is no noise during the whole use process.can protect the hull, and it will not rust or leave marks on your boat; It will act as a buffer and won't hurt your boat. 【Reasonable Design】The bow rollers for boats unique 3-piece design minimizes friction and resistance, making it easy to push your boat,end bells ensure that the boat does not scrape against bolts or roller bracket,Bow bell assemblies help to center the boat and prevent bow to bowstand contact. 【Wide range of applications】You can use in many places bow roller 4 inch, they are suitable for many types of boat or yacht trailers, they will save your energy and time to a large extent; they are designed specifically for heavier boats.each of our bow roller has undergone high pressure testing, no are deformed or damaged.

Product Description 　 　 　 　 　

Product Category: 4" Boat Trailer Bow Bell Roller Assembly 　

Product Size: Inner roller is 4" wide and overall width is 7-3/8".

Product Color: Blue 　 　

Product Material: Polyurethane 　 　 　

　 　 　 　 　 　 　

Package list: 　 　 　 　 　

1 x Bow Roller 　 　 　 　 　

2 x Bells 　 　 　 　 　 　

1 x Shaft