Vortex 435CZRV4-48 Aluminum Rear Sprocket 520 Pitch 48-Tooth

The Vortex 435CZRV4-48 is a high-performance 48-tooth aluminum rear sprocket designed for 520-pitch chain applications. Built as a lightweight, race-proven alternative to heavy OEM steel sprockets, this sprocket delivers measurable performance gains through reduced rotating mass and precision CNC manufacturing.

Key Features:

• 7075 Aerospace-Grade Aluminum Construction – Computer designed and CNC machined from high-grade 7075 T6 aluminum for an optimal balance of strength and minimal weight
• 520 Chain Pitch – Designed for standard 520-pitch chain, compatible with OEM replacements and suitable 520 conversions
• 48 Teeth – Provides precise gearing adjustment for improved low-end torque and acceleration characteristics
• Perfected Tooth Design – Unique tooth profile reduces drag and friction for better acceleration and deceleration while extending chain and sprocket life
• Saber Tooth Grooves – Mud grooves help keep the drive components clean under demanding conditions
• CAT5 Color Anodized Finish – Electrically coated for a brighter shine; clear anodizing helps prevent corrosion
• Lightening Holes – Strategically placed cutouts further reduce rotating mass, contributing to improved throttle response
• Vortex Patent-Pending Design – Ensures a perfectly concentric sprocket every time, freeing horsepower and extending drivetrain life
• Made in the USA

The Vortex 435CZRV4-48 rear sprocket is an ideal upgrade for riders seeking measurable performance gains through drivetrain weight reduction. Reduced rotating mass multiplies the effect of weight savings, translating directly into sharper acceleration and improved overall powertrain efficiency.