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In addition to Criggie's suggestion, if the hole in your tube from your last flat is facing the tire, when you get your next flat; remove the tire/tube together from the wheel, put a mark on the tube and tire with a ink marker to record the position of the tube in the tire. When you find the hole in the tube, you will be able to correlate it to a spot on the ...


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You probably have double rims....meaning there is the normal rim, and then an interior support rim. This means the valve stem is really locked square...so if you twist hard on the tyre, and the valve is right above the tire that is touching the floor.. the tyre will bend, but as you have double rims, the valve stem stays perfectly straight. If you had ...


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