Vortex 245AZB-39 Aluminum Rear Sprocket 530 Pitch 39 Tooth Blue

The Vortex 245AZB-39 is a premium CAT5 aluminum rear sprocket engineered for riders who demand both performance and durability. This sprocket is CNC-machined from aerospace-grade 7075 T6 aluminum alloy, delivering exceptional strength while significantly reducing rotating mass compared to OEM steel sprockets.

Key Features:

• 39-tooth configuration with 530 chain pitch
• Blue anodized finish with silver machined accents
• 100% CNC manufactured in the USA for precision fit
• Saber tooth grooves with unique tooth design increases sprocket longevity
• Gunk-clearing grooves between each tooth keep harmful elements at bay
• Reduced rotating mass allows for improved acceleration and handling
• Anodized finish prevents corrosion and wear

Vortex sprockets are trusted by racing teams and performance riders worldwide. Manufactured to such tight tolerances, many riders report that sprockets from Vortex have a lifespan that rivals some steel sprockets, making this an excellent upgrade for street and track applications alike.