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  1. D

    Any Air Bike out there with a normal Q-Factor?

    @lisboneu It just measured its crank arms and they swing out 1 cm on each side, so silly, they could at least have gotten it down to 230 mm (still probably not good enough though).
  2. D

    Any Air Bike out there with a normal Q-Factor?

    @lisboneu I'm a road cyclist and own the echo bike and have developed a serious right inner knee issue from it with its ridiculous 250 mm Q factor, regardless of foot position. As the study tells us "Increased QF increased peak nee abduction moment by 47%, 56%, and 56% from Q1 150 mm to Q4 276...
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