Vortex 825A-66 Aluminum Rear Sprocket 66 Tooth

The Vortex 825A-66 is a high-performance 66-tooth aluminum rear sprocket designed for motorcycles requiring extreme gearing modifications. This oversized sprocket is commonly used in stunt riding and wheelie applications where maximum low-end torque and acceleration are essential.

Key Features:

• 66-tooth configuration provides aggressive gearing for enhanced acceleration
• Constructed from aerospace-grade 7075-T6 aluminum alloy for optimal strength-to-weight ratio
• Precision CNC-machined for exact fitment and smooth power transfer
• Lightweight design reduces rotational mass compared to steel sprockets
• Vortex's iconic two-tone machined finish with protective coating
• Must be paired with matching pitch front sprocket and chain

This sprocket requires regular chain maintenance every 300-400 miles for optimal performance and longevity. Popular for stunt bikes, sport bikes, and applications where quick acceleration is prioritized over top speed. Professional-grade component used by racing teams and performance enthusiasts worldwide.