- single tube, fits any 20" x 2.125" bicycle wheel
- Schrader valve 1.25"
- Designed with the added stress of E-bike use in mind. 2x thick
- Pre-filled with anti-puncture liquid sealant
- Original part used on the ODK U500 V3 e-bike
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GREAT PARTS
Really nice thick rubber.No leakage
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great tubes
very thick tubes.not your cheap tubes from amazon
