Sun ringle helix tr 27 mtb rimcompatible with disc brakes only light and affordable mtb rim designed to use in trailxc bike type features size 26 27 5 29 outside width 27mm inner bead width 23mm section height 19 9mm weight 26 465g 27 5 489g 29 522g type sleeved brake compatibility disc only hole count 2832 rim technology str tubeless readybuysun ringle rims from chain reaction cycles the worlds largest online bike store