Tackle the toughest conditions with TC Bros' Sportster Chain Conversion Kits, built for riders pushing their XL models like the Nightster, Iron 883, or Forty-Eight to the limits. Perfect for high-horsepower builds, flat-track action, or gravel-filled adventures, these rugged 530 chain kits provide strength and reliability where belts and pulleys fall short. Our collection includes everything needed for a smooth conversion and optional sprocket locks to prevent common issues like loose bolts. For those preferring a factory look, stronger replacement belts are also available. TC Bros delivers high-quality solutions that embody the bold spirit of custom bike builders, ensuring your Sportster’s power delivery is rock-solid.