RFX FXRS 31-50 99BU aluminum rear sprocket is designed for performance and longevity. Crafted from CNC machined 7075 aerospace aluminum, this sprocket offers strength and lightweight benefits. The kit includes the sprocket with laser-etched RFX logo, chamfered weight-reducing cutouts, mud clearing grooves, and a dual-tone anodized and polished finish for a factory bike appearance.
Built with strengthening gussets, this 50-tooth sprocket enhances durability and efficiency. The mud grooves help extend sprocket life by preventing debris buildup, making it suitable for off-road and motocross riding. Its design ensures optimal fit and function on compatible Yamaha models, providing reliable performance in demanding conditions.
Whether for racing or trail riding, this sprocket offers a combination of style, strength, and weight reduction. Its construction meets high standards for durability and performance, making it a valuable upgrade for serious riders seeking a factory look with long-lasting performance.
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
2-tone color anodized/ polished finish for that Factory Bike look
