Vortex 840ZRV4-40 VTX Aluminum Rear Sprocket 40-Tooth

The Vortex 840ZRV4-40 is a high-performance aluminum rear sprocket from Vortex Racing, designed for riders who demand precision, durability, and reduced unsprung weight. Crafted from lightweight 7075-T6 aircraft-grade aluminum, this sprocket delivers the strength needed for aggressive street and track use while shedding unnecessary rotational mass for improved throttle response and acceleration.

Key Features:

• 40-Tooth Rear Sprocket – ZRV4 series fitment for compatible Vortex rear sprocket carriers
• Lightweight Aluminum Construction – Machined from high-strength aluminum alloy for an optimal strength-to-weight ratio
• 840 Chain Pitch – Engineered for use with standard 530-equivalent or specified chain pitch applications in the ZRV4 series
• CNC Machined – Precision manufacturing ensures consistent tooth profile and smooth chain engagement
• Anodized Finish – Hard anodized surface treatment resists wear and corrosion for extended service life
• Direct Bolt-On Fitment – Designed to mount directly to compatible Vortex sprocket carriers without modification

Vortex Racing is a trusted name in the powersports industry, known for producing competition-grade drivetrain components. The 840ZRV4-40 rear sprocket is an ideal upgrade or replacement for riders looking to fine-tune their gearing setup for track days or spirited street riding.