https://i2.wp.com/store.bikefriday.com/images/parts/11605.jpgI thought it was pretty cool that Schwalbe makes a “flatproof” tire called the Marathon Plus (recommended to us by world traveller Heinz Stücke) which can withstand a thumbtack. Sure, they’re heavy and expensive, but they roll over anything, are super comfy, and really aren’t as sluggish as you’d expect.

https://i0.wp.com/www.conti-online.com/generator/www/de/en/continental/bicycle/themes/tires/city/contact/img/contact_en;property=original.gifI now find that the Continental Contacts that replaced the Top Tourings offer a 1 year guarantee against flats. It’s a much lighter tire than the Schwalbe and given the effect that rotational weight has on acceleration, and thus speed, this is a good thing.

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