Vortex 317V4-40 V4 Aluminum Rear Sprocket 40-Tooth

The Vortex 317V4-40 is a high-performance 40-tooth aluminum rear sprocket from Vortex Racing's V4 series lineup. Machined from lightweight 7075-T6 aluminum alloy, this sprocket delivers significant weight savings over stock steel sprockets without sacrificing strength or durability.

Key Features:

• 40-Tooth rear sprocket for precise gearing adjustments
• Manufactured from high-strength 7075-T6 aluminum for maximum durability and minimal weight
• Hard anodized finish for superior corrosion and wear resistance
• CNC-machined to exacting tolerances for smooth, consistent chain engagement
• Lightening holes reduce rotational mass for improved throttle response
• Direct OEM replacement fitment — no modifications required
• Part of Vortex's V4 series, purpose-built for sport and performance riding

The Vortex 317V4-40 rear sprocket is an ideal upgrade for riders looking to fine-tune their gearing for track days, canyon carving, or everyday performance riding. Compatible with standard chain pitches for the designated application, this sprocket offers a perfect balance of weight savings and long-lasting wear characteristics.