The RFX FXRS 31-49 99BK aluminum rear sprocket is engineered for performance and durability on Yamaha motorcycles. Crafted from CNC machined 7075 aerospace aluminum, it offers a lightweight yet robust construction suitable for demanding riding conditions. The sprocket features chamfered weight-reducing cutouts and mud clearing grooves that extend sprocket life by minimizing debris buildup. Laser-etched RFX logo adds a distinctive factory look, complemented by a 2-tone anodized and polished finish for visual appeal.
Strengthening gussets improve structural integrity, ensuring the sprocket withstands high torque and impacts during riding. The design emphasizes weight reduction without sacrificing strength, helping to enhance acceleration and handling. The package includes the aluminum rear sprocket with the specified 49-tooth configuration, designed specifically for Yamaha models requiring this fitment.
Ensure compatibility with your Yamaha motorcycle model and confirm the year before purchase. Proper installation and maintenance are recommended to maximize sprocket performance and longevity.
Features:
Laser etched RFX logo
CNC machined from 7075 aerospace aluminum
Strengthening gussets
Chamfered weight-reducing cutouts
Mud clearing grooves for longer lasting sprocket life
