Heavy-Duty Indoor Exercise Spin Bikes, *

They feature a heavy flywheel for a smooth, realistic riding experience. The bikes support a high maximum user weight capacity, often up to 150 kg (350 lbs). Key functions can include heart rate monitoring, calorie tracking, time, distance, and speed displays. They are built with strong steel frames and feature variable, adjustable resistance controls to challenge different fitness levels. The seating and handlebars are typically adjustable for a comfortable riding position.