"Real butyl tubes" made from 100% butyl polymer, unlike other "butyl" tubes, which are blended with butyl polymer and natural rubber
100% butyl tube minimizes natural air leakage while maintaining air pressure for a longer period of time
Tube Thickness: 2.0 mm
Inner Tube Valve Stem Type: TR-4 (Round Base), Center Metal Valve (Threaded/Nuts)
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