ALSP ALPINE Rotary Encoder(Through shaft type) Connect LEGO AlxeProduct:ALSP ALPINE EC12E2440301 (Through shaft type)https://tech.alpsalpine.com/j/products/detail/EC12E2440301/https://tech.alpsalpine.com/e/products/detail/EC12E2440301/LEGO Technic gears and rotary encoders are not included in the 3D…