Vortex 312DZB-33 CAT5 Aluminum Rear Sprocket 33 Tooth Black

The Vortex 312DZB-33 is a 33-tooth CAT5 aluminum rear sprocket finished in black anodize, engineered for riders who demand race-proven drivetrain performance. Manufactured 100% CNC-machined from a specially formulated aluminum alloy developed to Vortex's own specifications, this sprocket delivers an ideal balance of lightweight construction and durability.

Key Features:

• 33 Teeth — precise tooth count for optimized gear ratio tuning
• CAT5 Aluminum Construction — lightweight specially formulated alloy per Vortex specifications reduces rotating mass for improved acceleration response
• Black Anodized Finish — hard-coat black anodize provides corrosion resistance and extended service life
• Unique Tooth Profile — Vortex's patented tooth design increases sprocket longevity and promotes smooth, consistent chain engagement
• 100% CNC Machined — manufactured to the tightest tolerances for concentricity and reliable power transfer
• Race-Tested — developed with direct feedback from top professional race teams worldwide

The Vortex 312DZB-33 rear sprocket is an excellent upgrade over a heavy OEM unit, shedding rotational mass to improve throttle response and drivetrain efficiency. Compatible with the matching chain pitch — always ensure front sprocket, rear sprocket, and chain share the same pitch for proper fitment.