... 5.Speed range: 1~16KM/H F-6107 motorized treadmill Fit-tree motorized treadmill has ergonomic design , professional structure and handsome appearance ... marry well with the need of customers, including flat treadmill, motorized treadmill, home gym and professional trainer, four series more than ... Asia etc.Fit-Tree Company has a group of top level staffs and experienced workers, establish and carry out ...