Nordic Track GX 3.9 Training Indoor Exercise Bike Home Gym Workout Fitness Bike. The item "Nordic Track GX 3.9 Training Indoor Exercise Bike Home Gym Workout Fitness Bike" is in sale since Saturday, November 7, 2020. This item is in the category "Sporting Goods\Fitness, Running & Yoga\Cardio Machines\Exercise Bikes". The seller is "mollisonsltd" and is located in London. This item can be shipped to United Kingdom.