RFX FXRS 61-51 ALBK Armalite Rear Sprocket 51T Black for BMX and Mountain Bikes

The RFX FXRS 61-51 ALBK Armalite Rear Sprocket offers a high-performance upgrade for BMX, mountain bikes, and other cycling applications. Crafted with precision, this sprocket features a CNC-machined 7075 aerospace aluminum inner ring that provides exceptional strength while maintaining lightweight performance. The outer ring is made from durable HCS material, designed to withstand aggressive riding conditions and extend the sprocket's lifespan. The hex-drive location positioned between the inner and outer rings ensures secure attachment and efficient power transfer during rides. Its CAD-designed profile not only reduces weight but also enhances overall bike efficiency, making it an ideal choice for riders seeking a balance of durability and performance. New mud-clearing grooves incorporated into the design help minimize debris buildup, reducing wear and maintaining optimal function over time. The rigid construction increases torsional strength, providing reliability under heavy loads and aggressive riding styles. Finished with a sleek black anodized coating, this sprocket delivers a factory bike look that complements any bike setup while offering resistance to corrosion and wear. Whether upgrading your current drivetrain or building a new bike, the RFX FXRS 61-51 ALBK provides a robust, lightweight, and stylish solution for demanding riders.

Features:

• CNC 7075 Aerospace aluminum inner ring for strength and lightweight performance

• HCS outer ring designed for durability in tough riding conditions

• Hex-drive location between inner and outer rings for secure attachment

• CAD-designed profile reduces weight and enhances efficiency

• Mud-clearing grooves to minimize debris buildup and reduce wear

• Rigid design increases torsional strength for reliable power transfer

• Color anodized finish provides a factory-quality look and corrosion resistance