20-20 Fitness Sell and Hire Life Fitness equipment. If you wish to buy or rent Life Fitness Crosstrainers, Treadmills, Cycle, or Concept 2 rowers then please call. We only Sell or Hire commercial Life Fitness equipment. All 20-20 Fitness staff have at least 10 years experience working for Life Fitness so we are the experts for used Life Fitness gym equipment. 20-20 Fitness Ltd The Life Fitness Specialists.