Sun ringle inferno 31 sleeved mtb rimcompatible with disc brakes only strong and durable mtb rim designed to use in freeridedownhill bike type features size 27 5 sleeved only outside width 31mm inner bead width 25 4mm section height 22mm weight 27 5 589g type sleeved brake compatibility disc only hole count 32buysun ringle rims from chain reaction cycles the worlds largest online bike store