# Vortex Racing V4 50 Tooth 520 Rear Sprocket - Black

The next generation of Vortex aluminum rear sprockets, V4 builds on the long-running CAT5 sprocket platform with a lighter, more aggressive design. Reduced rotating mass improves acceleration, throttle response, handling, and overallagility. Ideal for street, track, and performance applications.

-   Excellent concentricity for smooth, quiet operation and efficient power transfer
-   Precision-machined from high-strength 7075-T6 aluminum
-   10-15% Lighter than CAT5
-   Manufactured in the USA

This Part Fits:

Year

Make

Model

Submodel

1984-1985,1988-1990

Honda

XR200R

Base

1988-1990

Honda

XR600R

Base

2007-2013

Yamaha

WR250F

Base

2014

Yamaha

WR250R

Base

1999

Yamaha

WR400F

Base

2001-2002

Yamaha

WR426F

Base

2003-2026

Yamaha

WR450F

Base

2020-2021,2023-2025

Yamaha

YZ125X

Base

1999-2026

Yamaha

YZ250

Base

2024

Yamaha

YZ250 50th Anniversary Edition

Base

2026

Yamaha

YZ250 70th Anniversary Edition

Base

2022-2023,2025

Yamaha

YZ250 Monster Energy Yamaha Racing Edition

Base

2001-2026

Yamaha

YZ250F

Base

2024

Yamaha

YZ250F 50th Anniversary Edition

Base

2026

Yamaha

YZ250F 70th Anniversary Edition

Base

2021-2023,2025

Yamaha

YZ250F Monster Energy Yamaha Racing Edition

Base

2015-2026

Yamaha

YZ250FX

Base

2016-2026

Yamaha

YZ250X

Base

2026

Yamaha

YZ450F

Base

2016-2026

Yamaha

YZ450FX

Base

## Details

- **Price:** 122.54 CAD
- **Vendor:** Vortex Racing
- **Type:** Sprockets

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 122.54 CAD | In stock |

## Images

- Photo - Primary
- Photo - Close Up

---

> Source: [Standard Auto Part](https://www.standardautopart.com/products/vortex-racing-v4-50-tooth-520-rear-sprocket-black)
> Updated: 2026-09-12