Vortex 338ZK-51 CAT5 Rear Sprocket 51 Tooth 520 Pitch

The Vortex 338ZK-51 is a high-performance CAT5 series rear sprocket designed for serious riders who demand durability and precision. This 51-tooth sprocket features Vortex's advanced CAT5 construction, which combines lightweight aluminum with a zinc-plated finish for superior corrosion resistance and extended service life.

Key Features:

• 51 teeth for optimized gear ratio performance
• 520 pitch chain compatibility
• Lightweight aluminum construction reduces unsprung weight
• CAT5 zinc-plated finish resists corrosion and wear
• CNC-machined for precise tolerances and smooth operation
• Hardened tooth profile for extended chain life
• Silver anodized finish for a clean, professional appearance

Vortex sprockets are manufactured to OEM specifications or better, making them an excellent choice for replacement or performance upgrades. The 338 series bolt pattern is designed for specific KTM models and other European sport bikes. Each sprocket undergoes rigorous quality control to ensure proper fit and reliable performance.