Vortex 641A-40 Rear Sprocket 40 Tooth 525 Pitch

The Vortex 641A-40 is a high-quality aluminum rear sprocket designed for performance motorcycles. This 40-tooth sprocket features 525 pitch sizing and is manufactured from 7075-T6 aluminum alloy for an optimal balance of strength and light weight.

Key Features:

• 40 tooth count for versatile gearing options
• 525 pitch chain compatibility
• Precision CNC-machined from 7075-T6 aluminum alloy
• Hard-anodized finish for extended wear life
• Self-cleaning mud grooves to prevent debris buildup
• Lightened design reduces unsprung weight
• Steel insert in mounting area for added durability

Vortex sprockets are manufactured to strict tolerances ensuring proper chain alignment and reduced wear on drive components. The hard-anodized surface treatment provides excellent corrosion resistance and significantly extends service life compared to untreated aluminum sprockets.