Chains Primary

11 products

Primary Chains for Harley-Davidson transfer power from the engine sprocket to the clutch basket, forming a critical link in your drivetrain. Available from Iron City Motorcycles, an authorised Harley-Davidson dealer in Leeds, our selection features quality chains from Tsubaki, Diamond, and MCS. These heavy-duty primary chains are designed for Big Twin, Sportster, and Shovelhead engines across the Softail, Dyna, and Touring families. Whether you are replacing a stretched original or upgrading to a high-strength chain for a performance build, properly tensioned primary chains ensure smooth, reliable power delivery. Browse the full range below.