HappyRun / Parts & maintenance
Inner Tube
20.00*14.00*8.00 CM Happyrun E-bike Inner Tube Note: The inner tubes for all our 20*4 fat tire e-bikes are interchangeable.
$49.90List $49.90
Product signals
20.00*14.00*8.00 CM Happyrun E-bike Inner Tube Note: The inner tubes for all our 20*4 fat tire e-bikes are interchangeable.
Best for
- Fits: G50/G60/G60 Pro/G70/G100/G100 Pro, G300 Pro（70/100-17）, G300 Pro (70/100-19)
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