Vortex 154ZK-45 Black 45-Tooth CAT5 Aluminum Rear Sprocket

The Vortex 154ZK-45 is a 45-tooth black anodized CAT5 aluminum rear sprocket built to Vortex's exacting race-grade standards. Engineered for performance riders who demand lightweight precision components, this sprocket is 100% CNC-machined in the USA from a specially formulated aluminum alloy developed to Vortex's own specifications.

Key Features:

• 45-Tooth Rear Sprocket — optimized tooth count for enhanced low-end torque and quicker acceleration
• Black Anodized Finish — durable anodized coating with contrasting silver machined accents for an aggressive, race-inspired look
• CAT5 Lightweight Aluminum Construction — reduces rotating mass to improve throttle response and overall performance
• Vortex Patented Tooth Design — saber-tooth groove geometry increases sprocket longevity and reduces wear
• 100% CNC Manufactured in the USA — precision machined to tight tolerances for consistent fitment and performance
• Specially Formulated Alloy — material developed per Vortex specifications for the ideal balance of strength and weight

Vortex has been manufacturing top-quality racing components since 1995, with designs validated through direct feedback from professional race teams worldwide. The 154ZK-45 rear sprocket is an ideal upgrade for riders looking to fine-tune their gearing for the street or track.