The cost of replacing rear drum brakes on a Suzuki Gixxer can vary depending on several factors, including the location, labor charges, and the specific parts required. Generally, the cost of replacing the rear drum brakes, including the brake shoes and any associated hardware, can range from $50 to $150.
It's important to note that these figures are approximate and can vary significantly. To get an accurate estimate for your specific situation, it's recommended to contact a Suzuki authorized service center or a local mechanic who can provide you with a more precise quote based on your location and the current market prices.