My collection of these tires all have an "RS" designation - I don't know what it means. They've been great, and have lasted for almost 30 years of occasional rides. but I haven't used them on rough roads. The slick tread pattern is great on the track, and at 210g and 120psi they perform pretty much like a pista tire.
My Tour Guard RS tires all measure between 20mm and 21mm when fully inflated. The "200" weighs 210g, the "240" comes in at 250g on my postal scale.
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Quality: | Very Good, 4.00/5 (1 vote) | Rarity: | Not Rated |