2-Pack Inner tubes for fat tire bikes 4/4.9 Inch tires

This inner tube fits SONDORS Original, Custom, SONDORS X, SONDORS XS and LX - both 4.9” and 4.0” tires. Please Note: NOT compatible with SONDORS Fold, Fold X, Fold XS, Fold Sport, Fold Z, Thin or Smart Step

Includes 2 tubes.