Vortex 525-42 Rear Sprocket Chain Pitch Aluminum Sprockets - 42-Tooth 525

The Vortex 525-42 is a high-performance aluminum rear sprocket designed for 525-pitch motorcycle chains. Precision-engineered for street and track use, this 42-tooth sprocket delivers reliable power transfer and reduced rotating mass compared to heavier steel alternatives.

Key Features:

• 42-tooth / 525 chain pitch — drop-in replacement or gearing upgrade for 525-pitch drive systems
• Lightweight aluminum construction — reduces rotating mass for improved throttle response and rear-wheel power output
• 100% CNC machined in the USA — manufactured to tight tolerances for precise concentricity and fitment
• Specially formulated alloy per Vortex specifications for optimal strength-to-weight ratio
• Silver anodized finish — protects against corrosion and oxidation
• Patented unique tooth design — engineered for ideal chain hold and release, increasing sprocket longevity

Vortex Racing has been manufacturing top-quality motorcycle racing components in the USA since 1995, with direct feedback from professional race teams worldwide. The 525-42 sprocket is an excellent choice for riders looking to maintain OEM gearing or fine-tune their gear ratio for improved acceleration.