Vortex 840KV4-50 VTX Aluminum Rear Sprocket 50T

The Vortex 840KV4-50 is a high-performance aluminum rear sprocket from Vortex Racing's VTX series, engineered for riders who demand precision, durability, and lightweight performance. Machined from premium 7075-T6 aircraft-grade aluminum, this sprocket delivers an exceptional strength-to-weight ratio over stock steel alternatives.

Key Features:

• 50-Tooth Rear Sprocket — ideal for fine-tuning final drive ratio for acceleration or top speed
• Lightweight Aluminum Construction — significantly reduces unsprung rotational mass compared to steel sprockets
• CNC-Machined Precision — tight tolerances ensure smooth, consistent chain engagement and extended chain life
• Hard Anodized Finish — resists corrosion and wear for long service life
• VTX Series Design — features Vortex's signature lightening cuts for maximum weight reduction without sacrificing strength
• Direct OEM-Style Fitment — bolt-on installation with no modifications required

Vortex Racing is a trusted name in the powersports and motorsports industry, producing sprockets to exacting standards for both street and track applications. The 840KV4-50 is part of the 840 chain pitch family and is designed as a direct replacement or performance upgrade sprocket. Whether you're chasing lap times or optimizing your street ride, this sprocket delivers reliable, race-proven performance.