three wheel electric tricycle frame and height

Because the proportion of each person's body is different, different length legs long arm, to teach you the easiest and most practical one actual measurement methods: wear your shoes, standing astride the three wheel bicycles frame on the frame tube, feet shoulder width , the distance from the crotch and the frame tube should be about 5-6 cm; If the pipe is near or next to the hip big frame, if the tube is too far away from the crotch to illustrate the three wheel electric tricycle frame smaller. Like off-road riders would choose a smaller tube should be about 6-10 cm from the hip with the frame. Such manipulation is good, safe, because cross country is more dangerous, so the frame is smaller.