Mining rims are mostly 5-PC rim, also called five-piece rim, it is made by five pieces which are rim base, lock ring, bead seat and two side rings. The popular mining rim sizes are 25.00-25/3.5, 36.00-25/1.5, 27.00-29/3.0,28.00-33/3.5,17.00-35/3.5,19.5-49/4.0, 29.00-57/6.0, up to 63″, some of the rims from size 51” to 63” are also 7-PC. Mining rim is heavy weight, heavy load and high speed. HYWG offers high-quality mining rims. Our advantage is that we have our own steel mill who produces rim components like lock ring, flange, side ring, bead seat by ourself, we manage high-level quality and offer reasonable price.