Vortex 840CKV4-40 Aluminum Rear Sprocket Chain Sprockets - 520 40-Tooth

The Vortex 840CKV4-40 is a lightweight aluminum rear sprocket designed for high-performance motorcycle applications. Part of Vortex's 840 series engineered for use with aftermarket wheels, this 40-tooth sprocket is compatible with 520 chain pitch and delivers the precision and durability that racers and performance riders demand.

Key Features:

• 40-tooth rear sprocket for 520 chain pitch applications
• Lightweight aluminum construction reduces rotating mass for improved throttle response and acceleration
• 100% CNC manufactured in the USA to precise tolerances ensuring concentricity and durability
• Specially formulated alloy per Vortex specifications for optimal strength-to-weight ratio
• Unique tooth design increases sprocket longevity and promotes smooth chain engagement
• Vortex patented sprocket design unlike any standard aftermarket sprocket
• 5-bolt mounting pattern with 10mm holes, 100mm pitch circle diameter (PCD), and 76mm sprocket ID

About Vortex Racing:

Vortex has been manufacturing top-quality racing components in the USA since 1995. Their sprockets are trusted by racers and enthusiasts worldwide for their superior craftsmanship, performance gains, and the ability to fine-tune gear ratios for improved acceleration and top-end speed.