RFX Aluminum Rear Sprocket 51T Black for Yamaha FXRS 31-51 99BK

The RFX Aluminum Rear Sprocket, model FXRS 31-51 99BK, is designed for high-performance motorcycle applications, offering durability and style. Crafted from CNC machined 7075 aerospace aluminum, this sprocket ensures a lightweight yet strong component capable of withstanding demanding riding conditions. Its laser-etched RFX logo adds a professional touch, emphasizing quality and brand authenticity. The sprocket features chamfered weight-reducing cutouts that optimize rotational inertia, contributing to improved acceleration and handling. Strengthening gussets enhance structural integrity, providing long-lasting performance even during aggressive riding. Mud clearing grooves are incorporated to extend sprocket life by preventing debris buildup, thereby maintaining optimal grip and functionality over time. The 2-tone anodized and polished finish delivers a sleek, factory-bike look that complements any motorcycle's aesthetic. Designed specifically for Yamaha FXRS models, this sprocket combines functional engineering with visual appeal, making it an ideal upgrade or replacement part for enthusiasts seeking reliability and style in one package.

Features:

• Laser etched RFX logo for brand authenticity

• CNC machined from 7075 aerospace aluminum for strength and weight savings

• Strengthening gussets to enhance durability

• Chamfered weight-reducing cutouts to improve performance

• Mud clearing grooves for extended sprocket life

• 2-tone color anodized and polished finish for a factory look