Vortex 825A-51 Aluminum Rear Sprocket 520 Pitch 51 Tooth Silver

The Vortex 825A-51 is a premium aluminum rear sprocket engineered for high-performance motorcycles equipped with aftermarket wheels. This 51-tooth sprocket is designed for 520 pitch chain systems and features Vortex's precision CNC manufacturing for exceptional concentricity and durability.

Key Features:

• 100% CNC manufactured from specially formulated aluminum alloy
• 520 pitch chain compatibility with 51 teeth
• Designed specifically for Marvic and Galespeed aftermarket wheels
• 100mm bolt circle diameter with 6 bolt holes at 10.5mm diameter
• 80mm hub diameter for proper fitment
• Lightweight design reduces rotating mass for improved acceleration
• Silver anodized finish prevents corrosion and maintains appearance
• Vortex's unique tooth profile design increases sprocket longevity
• Strategic lightening holes further reduce weight without sacrificing strength

This sprocket is ideal for racers and performance enthusiasts looking to optimize their motorcycle's gearing with lightweight, durable components. Vortex Racing has been manufacturing top-quality racing components in the USA for over 15 years, earning a reputation for precision and reliability in motocross, supercross, and road racing applications.