Home default Low center of gravity design, low cup height, smooth running, in line with the human body standing and observation of the best height. Low center of gravity design, low cup height, smooth running, in line with the human body standing and observation of the best height. Pvc Pipe December 17, 2019 Share: Facebook Twitter Pinterest Low center of gravity design, low cup height, smooth running, in line with the human body standing and observation of the best height. ... Click to read moreOthers news: Another news: