Presta to Schrader adaptor (This adaptor will allow you to add air with a standard air chuck). Continental MTB 29 Mountain Bike 29ER Inner Tube 29 x 1.75-2.5 Presta - 42mm. Continental Tour 26 Mountain Bike Inner Tube 26" x 1 3/8-1.75 Presta - 42mm.
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