At DMG Motorsports, we present the Vortex CAT5 Rear Sprocket in Black, 48-Tooth, 520 pitch (PN 840AZK-48) — a purpose-built aluminum sprocket engineered for Yamaha applications that demand less rotating mass and more durability at the track or on the trail. Vortex has long been trusted in paddocks around the world, and this CAT5 sprocket carries that reputation with a striking anodized-then-machined finish and a tooth profile designed to go the distance.

Features:

• Anodized FIRST then CNC machined from 7075 aluminum for a durable, lightweight build
• Trick colored finish with silver highlights created by machining through the anodized black coating
• Unique tooth design engineered to increase sprocket longevity
• 100% CNC manufactured in the USA to tight tolerances
• Specially formulated alloy per Vortex specifications for strength and reliability
• 48-tooth, 520 pitch configuration built for Yamaha fitment
• Vortex's patented sprocket design, unlike any other sprocket on the market
• Trusted by champions in professional racing competition