Vortex 316KV4-40 VTX Aluminum Rear Sprocket 40T

The Vortex 316KV4-40 is a high-performance 40-tooth aluminum rear sprocket from Vortex's VTX series, engineered for riders who demand precision, durability, and reduced rotating mass. Crafted from lightweight aerospace-grade aluminum, this sprocket delivers an excellent strength-to-weight ratio over stock steel alternatives — a popular upgrade for both track and street riders.

Key Features:

• 40-tooth rear sprocket for optimized acceleration and gearing
• Precision-machined from high-strength aluminum alloy for reduced unsprung weight
• Part of Vortex's VTX series — designed for exact OEM-spec fitment
• Anodized finish for corrosion resistance and long-lasting appearance
• Compatible with standard motorcycle chain pitches (verify chain compatibility for your application)
• Manufactured to tight tolerances for smooth, quiet chain engagement

Vortex Sprockets are a trusted name in the powersports industry, with a reputation for race-proven quality and consistent performance. The 316KV4-40 is an ideal choice for riders looking to fine-tune their gearing or reduce drivetrain weight without sacrificing reliability.