Hi @Rudyjloya, Sorry to hear you have a flat! To get the most accurate pricing on inner tube replacement, I recommend giving your local REI a call. They will also be able to do a stock check to see that your tube size is in stock and ready for you when you arrive.
If you are up to a DIY project, our expert advice section has some great resources like this video-Cycling Tips: How to Fix a Flat Tire and article Expert Advice: How to Fix a Flat Bike Tire.
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