PARTS 13012 - MBS 8" Tube (ea.) Previous13107 - 8" MBS Roadie Tire - Purple (ea.) Next13120 - 9" MBS T2 Tires (ea.) 13012 - MBS 8" Tube (ea.) 13012 - MBS 8" Tube (ea.) $12.95 It's always a good idea to have an extra tube to fix an unexpected flat. Always be prepared.Fits all 200x50 tires.90 degree Schrader valve Quantity: Add To Cart