At DMG Motorsports, we present the Vortex F5 Rear Sprocket in Aluminum, 41-tooth, 520 pitch, finished in black hardcoat for Yamaha applications (PN 840AK-41). Built for riders who demand race-level performance without sacrificing durability, this sprocket combines aircraft-grade aluminum construction with a proprietary black hardcoat finish that looks as good as it performs. Whether you're carving up the track or logging serious street miles, this Vortex F5 sprocket delivers the reduced rotating mass and long-lasting wear resistance that has made Vortex a trusted name among champions.

Features:

• CNC machined from 7075 aluminum for amazing strength and light weight
• Hard anodized with a jet black dye for a durable, race-ready finish
• PTFE coated for added lubricity and long-term durability
• Unique tooth design engineered to increase sprocket longevity
• 100% CNC manufactured in the USA to tight tolerances
• Specially formulated alloy per Vortex specifications for maximum power transfer
• 41-tooth, 520 pitch configuration designed for Yamaha fitment
• Trusted by champions in Motocross, Supercross, Road Racing, and Flat Track competition