RFX FXRS 50-46 ALBK is an Armalite rear sprocket designed for KTM, Husqvarna, and Gas Gas motorcycles from 2000 to 2024. Crafted from CNC 7075 aerospace aluminum, it offers a lightweight yet rigid construction that enhances torsional strength. The sprocket features a CAD-designed profile and new mud clearing grooves to reduce wear, ensuring longevity and optimal performance in demanding riding conditions. The outer ring is made of HCS material, providing durability, while the hex-drive location between the inner and outer rings facilitates installation and maintenance. Finished with a color anodized coating, it delivers a factory bike look and corrosion resistance.
The kit includes the sprocket itself, engineered for high performance and durability. Its design balances weight reduction with strength, making it suitable for aggressive riding and racing scenarios. The combination of materials and innovative features makes this sprocket a reliable choice for riders seeking to upgrade their drivetrain components, improve power transfer, and reduce wear over time.
