Vortex 252ZK-48 CAT5 Rear Aluminum Sprocket Black 48T 525 Pitch

The Vortex 252ZK-48 CAT5 Rear Aluminum Sprocket is a lightweight, race-proven rear sprocket designed for riders who demand performance and style. Featuring a 48-tooth count and 525 chain pitch, this sprocket is precision-engineered for optimal power transfer and drivetrain efficiency.

Vortex's patented CAT5 design is first anodized in black and then CNC-machined from specially formulated 7075 aluminum alloy, producing a striking black finish with contrasting bright silver highlights on the swept surfaces and tooth faces. The result is a sprocket that looks as aggressive as it performs.

Key Features:

• Lightweight CAT5 aluminum construction — reduces rotating mass for improved acceleration and throttle response
• 100% CNC manufactured in the U.S.A. — consistent quality and precision fitment
• Specially formulated aluminum alloy per Vortex specifications for superior strength-to-weight ratio
• Saber tooth groove design — unique tooth profile engineered to increase sprocket longevity
• Anodized black finish with contrasting silver machine-cut highlights for a premium appearance
• Vortex patented sprocket design — trusted by professional and club racers worldwide
• 48-tooth rear sprocket — suited for applications requiring increased low-end torque and acceleration
• 525 chain pitch compatibility

The Vortex CAT5 series represents the pinnacle of aluminum sprocket engineering, offering an ideal balance of weight savings, durability, and visual appeal for street and track riders alike.