No, they help the tube stay aligned when installing the tyre, and some have a shoulder which means they help if you're installing a presta tube into a rim drilled for Schrader, but apart from that, useless.
@chiroshi started
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No, they help the tube stay aligned when installing the tyre, and some have a shoulder which means they help if you're installing a presta tube into a rim drilled for Schrader, but apart from that, useless.