Sun ringle inferno 31 welded disc rimsun ringle is a major player when it comes to mtb wheels and spares years of experience have contributed to sun ringle producing some of the best mtb products on the planet features size 26 outside width 31mm inner bead width 25 4mm section height 22mm weight 546g type welded brake compatibility disc only buysun ringle wheels tyresfrom chain reaction cycles the worlds largest online bike store