Sprockets & Trailers

4B sprockets and trailers for drop forged chains are manufactured from high grade heat treated steel to a minimum hardness of 57 HRC. Each piece is machined to size with appropriate bore and keyway specific to each customer’s application. Most sizes are in stock and ready to ship from 4B’s extensive inventory.


View our Full Forged Chain Catalogue here.

sprockets & trailers for forged chains