Vortex 615B-45 Black Aluminum Rear Sprocket 45 Tooth

The Vortex 615B-45 is a lightweight racing rear sprocket designed to reduce rotating mass and deliver more power to the pavement. This 45-tooth aluminum sprocket features a CNC-manufactured construction with a durable black anodized finish and machined accents for enhanced aesthetics and longevity.

Key Features:

• Constructed from aerospace-grade aluminum for optimal power transfer
• Black anodized finish with machined accents
• 45-tooth configuration
• 100% CNC manufactured in the USA
• Engineered to withstand high tensile loads for reliability under extreme conditions
• Precision tolerances ensure proper fitment and concentricity

Riders choose Vortex sprockets for their superior craftsmanship, longevity, and the ability to fine-tune gear ratios for improved acceleration and top-end speed. This sprocket is ideal for both racing applications and performance street use, offering a perfect balance of weight savings and durability.