Anonymous posted an answer for this Kettler Exercise & Fitness:
"Hi eirik, Your treadmill needs lubricating. Get a an aerosol with silicone lubricant and..."
Anonymous posted an answer for this Kettler Exercise & Fitness:
"Try Lubricating the belt with silicone spray. Probably the resistence from the belt..."
Anonymous posted an answer for this Exercise & Fitness:
"Hi Rendra, Try this: Switch the treadmill off and then on again. Push the "minus" speed..."
Exercise & Fitness 3 answers