https://www.dekut.com/Sports/speedboard-lite-manual-treadmill-%7C-speedfit-motorless-treadmills/ Motorless treadmills from SpeedFIT allow you to walk, jog, run, and sprint without doing a modification on a manual treadmill. Speedboard series of non-motorized treadmills have Light weight and incredible strength. Fri, 16 Dec 2016 11:06:14 UTC en