Bontrager 2013 r4 700c folding clincher road tyre black 23mm
The bontrager 2013 r4 700c folding clincher road tire combines bontragers new low rolling resistance 220 tpi casing proven plus puncture protection and bontragers exclusive aero wing technology for an unparalleled riding experience their unique aero wing design improves airflow where the tire meets the rim so you use less energy to ride faster
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