## Moto-Master 520 51-Tooth Aluminum Rear Sprocket for Kawasaki KX/KLX & Suzuki RM-Z Elevate your off-road performance with the Moto-Master 520 51-Tooth Aluminum Rear Sprocket, specifically engineered for Kawasaki KX/KLX and Suzuki RM-Z models. This premium Moto-Master rear sprocket is a top-of-the-line racing component, designed to deliver exceptional strength, precision, and longevity for serious riders. It's the ultimate choice for those demanding peak power transfer and reliability on the track or trail. ### Unmatched Durability and Performance Crafted from aircraft-grade 7075-T6 aluminum, the Moto-Master 520 51-tooth rear sprocket represents the pinnacle of material strength and durability. Each unit is meticulously CNC machined to the most exacting tolerances, ensuring a perfect fit and flawless chain alignment. The hard-anodized black finish not only provides a factory look but also significantly enhances surface hardness and wear resistance against the harsh conditions of off-road riding. * Made from high-strength aircraft-grade 7075-T6 aluminum for superior resilience. * Precision CNC machined for perfect concentricity and optimal chain engagement. * Hard-anodized black finish offers maximum durability and a professional aesthetic. ### Optimized Traction and Reliability The Moto-Master aluminum rear sprocket is engineered with performance in mind, featuring innovative self-cleaning grooves between the teeth. This crucial design element effectively prevents mud and debris build-up, ensuring consistent chain pitch and engagement, even in the most challenging conditions. Riders can experience reduced wear on their drivetrain components and more reliable power delivery, contributing to a superior riding experience. * Self-cleaning grooves actively prevent mud accumulation for consistent chain performance. * Optimized lightweight design helps reduce unsprung mass, improving suspension response. * Developed for professional racing, guaranteeing reliable power transmission and longevity. ### Technical Specifications * Product type: Rear Sprocket * Material: 7075-T6 Aluminum * Teeth: 51 * Chain pitch: 520 * Inner diameter: 134.0 mm * Bolt holes: 6 * Pitch: 150.0 mm * Finish: Hard-anodized black ### Compatibility * KAWASAKI KDX 200 (1983-2006) * KAWASAKI KLX 250 (1979-2014) * KAWASAKI KLX 450 R (2008-2019) * KAWASAKI KX 125 (1980-2008) * KAWASAKI KX 250 (1982-2026) * KAWASAKI KX 250 F (2004-2018) * KAWASAKI KX 450 (2006-2026) * KAWASAKI KX 500 (1983-2004) * SUZUKI RM-Z 250 (2004-2006) For a complete list of compatible vehicles, see the 'Fitment' section.