Y type wrench
You can Yuyao JEFN tools factory customise the gear ratios in the companion app and a built-in display shows you which virtual cog you are spinning in addition The bike sees a standard saddle and bars, meaning these can be customised depending on your personal preference and all the fit adjustments can be made either with the included levers or a hex wrench. Tacx also offers the cleanest solution for adjusting the crank length, using a design similar to the flip chips used in full-suspension mountain bikes. to metrics like speed, heart rate and power.