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Pro Tharsis XC

  • By Logan VonBokel
  • Published Aug. 26, 2014
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A redesigned headset compression system eliminates the need for an expander plug in the steerer tube, opening up that space to hide an internal Di2 battery. Photo: Pro Components

A redesigned headset compression system eliminates the need for an expander plug in the steerer tube, opening up that space to hide an internal Di2 battery. Photo: Pro Components

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