Surly Inner Tube to fit plus-size and fat bike tires.

SPECS:

• Labeled Size:26 x 3-4.8
• ISO Width (mm):100 , 76 , 77 , 78 , 79 , 80 , 81 , 82 , 83 , 84 , 85 , 86 , 87 , 88 , 89 , 90 , 91 , 92 , 93 , 94 , 95 , 96 , 97 , 98 , 9
• ISO Diameter:559 / 26″ MTN
• Shaft Type:Threaded
• Valve:Presta Short 32-40mm
• Valve Core:Removable
• Weight:310
• Tube Compound:Butyl