* BARWING EXERCISE BIKE 16-8-2-3: 16 Levels adjustable magnetic resistance. 8 Seat height adjustments. 2 Seat angle adjustments. 3 Workout bike posture adjustments: upright, recline, and folding. BARWINGs X-bike allows you to exercise more freely and comfortably, and burn your calories as much as you like. * SUPER QUIET The upgraded magnetic resistance keeps the exercise bike very quiet while riding, it also provides 16 levels of gear adjustment for you to ride freely. Heavy-duty steel frame combined with X-type design physical balance theory, provide you a stable exercise bike, support limited to 300 LB Capacity * EASY ASSEMBLY: 90 Min For different groups of people, such as adults, seniors, and people who are good or not good at using tools, the average time from unpacking to completion of assembly is 90 minutes. The product structure design is easy to assemble, and comes with detailed installation instructions. * SATISFACTION GUARANTEE SERVICE BARWING provides telephone message service, guarantees to request buyers within 12 hours, and can provide a 1-year warranty service. Please don't worry about the problem with the product...