What's the Future of Drivetrains? | 3T, Rotor or Ceramicspeed? | Cycling Weekly

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3T Torno chainset? Rotor 1x13 groupset? Ceramicspeed Driven? What is the future for you? | Subscribe to Cycling Weekly here: https://www.youtube.com/user/CyclingWeekly1?sub_confirmation=1

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