Primary Chain Tensioner

PSR Primary Chain Tensioner Prevent premature wear and improve drivetrain reliability with the PSR Primary Chain Tensioner. Precision-machined from billet T6061 aluminum, this heavy-duty tensioner delivers smooth chain control and long-lasting performance for bikes using a 34T sprocket. High-quality construction: Made from billet T6061 aluminum for strength, corrosion resistance, and lightweight durability. Protects your engine: Eliminates issues caused by an overtightened primary chain—reducing stress on bearings, shafts, and sprockets. Heavy-duty components: Robust internal parts designed to withstand demanding riding conditions. Quick installation: Installs easily with OEM hardware for a hassle-free fit and straightforward adjustments. Application: Specifically engineered for use with a 34T sprocket only. Upgrade to the PSR Primary Chain Tensioner to ensure consistent chain tension, extend component life, and maintain peak drivetrain performance.