Vortex 920ZB-49 Aluminum Rear Sprocket 49-Tooth 920 Pitch

The Vortex 920ZB-49 is a 49-tooth, 920-pitch aluminum rear sprocket engineered for riders who demand precision, durability, and reduced rotating mass. Designed as a direct replacement or performance upgrade, this sprocket is built to the exacting standards that have made Vortex Racing a trusted name in motorcycle racing and street performance.

Key Features:

• 920 Chain Pitch: Engineered specifically for heavy-duty 920-pitch chain applications common on large-displacement motorcycles
• 49-Tooth Rear Sprocket: Optimized tooth count for improved low-end torque and acceleration
• 7075 T6 Aluminum Construction: CNC-machined from aerospace-grade alloy for an exceptional strength-to-weight ratio
• Anodized Finish: Corrosion-resistant anodized surface protects against the elements and extends service life
• 100% CNC Manufactured in the USA: Tight tolerances ensure smooth, consistent chain engagement and reduced wear
• Unique Tooth Design: Vortex's patented tooth profile promotes longer sprocket and chain life
• Lightweight Design: Reduces rotating mass compared to steel sprockets, helping transfer more power to the rear wheel

Vortex Racing sprockets are a popular choice among racers and performance street riders alike. The combination of precision CNC machining and high-grade aluminum delivers a sprocket that rivals the longevity of steel while keeping unsprung weight to a minimum.