# Vortex Racing V4 45 Tooth 525 Rear Sprocket - Silver

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

2010-2013

Suzuki

GSX-R1000

Base

2013

Suzuki

GSX-R1000 1 Million C.E.

Base

2017

Suzuki

GSX-R1000R

Base

2011-2017

Suzuki

GSX-R750

Base

2014

Suzuki

GSX-R750 50th Ann. Edition

Base

2026

Yamaha

YZF-R1

Base

2026

Yamaha

YZF-R1M

Base

2010-2015

Yamaha

YZF-R6

Base

## Details

- **Price:** 128.2 CAD
- **Vendor:** Vortex Racing
- **Type:** Sprockets

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 128.20 CAD | In stock |

## Images

- Photo - Primary
- Photo - Close Up

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/vortex-racing-v4-45-tooth-525-rear-sprocket-silver-1)
> Updated: 2026-10-09