Vortex 840 Rear 51-Tooth Rear Sprocket for BST Wheels

Description

Product Description

Vortex 840 Rear Sprocket 51T Black/Silver 530 Chain for Harley Performance Builds

The Vortex 840 Rear Sprocket with 51 teeth is a precision drivetrain upgrade designed for Harley Davidson riders who want real performance gains. Machined from high strength 7075 T6 aerospace grade aluminum, this sprocket dramatically reduces rotating mass and improves acceleration response compared to heavy stock components. At Get Lowered Cycles we focus on performance upgrades that deliver both function and style, and this Vortex sprocket is engineered to elevate throttle response and drivetrain efficiency for custom Touring and performance bagger builds.

Performance Driven Features

• 7075 T6 Aerospace Aluminum Construction for superior strength and lightweight performance that improves acceleration and throttle response.
• Precision CNC Machined to tight tolerances for consistent chain engagement and long term durability.
• Designed for 530 Chain to maintain reliable power transfer and meet performance build requirements.
• Optimized Tooth Profile for smoother chain hold and release which reduces drivetrain noise and wear.
• Black and Silver Finish that complements performance components and custom wheel setups.
• Fits Aftermarket Wheels including BST, Marchesini, OZ Racing, and Rotobox when paired with compatible 530 chain kits.

Why Upgrading Your Rear Sprocket Matters

Upgrading the rear sprocket on a Harley Davidson Touring model is one of the most effective ways to improve acceleration, throttle response, and overall drivetrain performance. Lighter components reduce the effort needed to turn the wheel, allowing better use of engine power and helping the bike feel more responsive especially under hard acceleration. Precision engineered sprockets also maintain better chain alignment and wear patterns over time, which improves longevity and reduces drivetrain noise.

Fitment and Installation Notes

FOR USE ON BST CHAIN DRIVE REAR WHEELS ONLY

This Vortex 840 51T rear sprocket is built for use with a 530 drive chain and is designed to fit aftermarket wheel setups that accept 530 chain sprockets. Always verify your wheel bolt pattern and chain compatibility before installation. Professional installation is recommended for correct alignment and torque settings to ensure safe and consistent power delivery.

For riders building performance touring bikes, custom baggers, or any Harley setup that demands improved acceleration and drivetrain efficiency, the Vortex 840 Rear Sprocket is a high quality upgrade that delivers real performance benefits. Get Lowered Cycles is your destination for premium performance components tailored to the needs of Harley enthusiasts.

Additional Information

51-tooth

453317

Emissions Notice Fitment