Vortex 203ZK-43 Aluminum Rear Sprocket 520 Pitch 43 Tooth Black

The Vortex 203ZK-43 is a high-performance aluminum rear sprocket designed for serious riders who demand precision and durability. This 43-tooth sprocket features 520 pitch and is engineered to deliver reliable performance on both street and track applications.

Key Features:

• CNC machined from 7075 T6 aluminum for exceptional strength-to-weight ratio
• 43 teeth with 520 chain pitch for optimal power transfer
• Hard anodized black finish with PTFE coating for added lubricity and durability
• Unique tooth profile design ensures perfect chain engagement and release
• Grooves between teeth help clear debris and extend sprocket life
• Manufactured to tight tolerances for reduced vibration and noise
• 100% CNC manufactured in the USA

Vortex sprockets are trusted by professional racing teams and riders worldwide. The lightweight aluminum construction significantly reduces rotating mass compared to steel sprockets, improving acceleration and throttle response while maintaining durability that rivals steel in many applications.