Vortex 840CZBV4-41 CAT5 Aluminum Rear Sprocket 41-Tooth Blue Anodized

The Vortex 840CZBV4-41 is a lightweight CAT5 aluminum rear sprocket featuring a 41-tooth configuration with a striking blue anodized finish. Engineered for aftermarket and BST-style wheels, this sprocket is built to Vortex's exacting race-proven standards and manufactured entirely in the USA.

Key Features:

• CAT5 Aluminum Construction — Specially formulated alloy per Vortex specifications for optimal strength-to-weight ratio
• 41 Teeth — Precision tooth count for tuned drive ratio performance
• Blue Anodized Finish — Corrosion-resistant anodizing for durability and aggressive styling
• 100% CNC Machined in the USA — Manufactured to the tightest tolerances for consistent, reliable performance
• Vortex Patented Tooth Design — Unique tooth profile engineered to increase sprocket longevity and reduce chain wear
• Aftermarket Wheel Compatible — Designed to fit BST and select aftermarket wheel bolt patterns (V4 pattern)
• Reduced Rotating Mass — Lightweight aluminum construction helps put more power to the pavement

Sprocket Specifications:

• Teeth: 41T
• Material: CAT5 Aluminum
• Finish: Blue Anodized
• Bolt Pattern: V4
• Series: 840 (Aftermarket/BST Wheel Fitment)

Vortex has been manufacturing top-quality motorcycle racing components since 1995. Owned and operated by motorcycle racers, every sprocket is track-tested with direct feedback from professional race teams worldwide, ensuring race-ready quality you can trust on the street or circuit.