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  • By Zack Vestal
  • Published Apr. 24, 2010
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Key features on the mainstay R3 tires include a 120 tpi casing, “Plus” puncture protection, aero wings to smooth airflow, and 185-gram weight.

Key features on the mainstay R3 tires include a 120 tpi casing, “Plus” puncture protection, aero wings to smooth airflow, and 185-gram weight.

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