# Renthal 99-24 Yamaha YZ125-450/ WR250-450 Rear Grooved Sprocket - Silver 520-46P Teeth

Renthal UltraLight Rear Chainwheels are CNC machined from 7075 T6 aluminum to extremely tight tolerances, 66% lighter than steel. Computer engineered and tested to ensure a precise fitment, concentricity and load dispersion with tooth profiling to provide maximum power transfer. A combination of high strength base material, cutting edge manufacturing methods and exceptional hardwearing surface treatments its clear to see why Renthal's light weight all aluminum rear sprockets can be found on the rear wheels of many factory race team machines.

This Part Fits:

Year

Make

Model

Submodel

2001-2021

Yamaha

WR250F

Base

1999-2000

Yamaha

WR400F

Base

2001-2002

Yamaha

WR426F

Base

2003-2021

Yamaha

WR450F

Base

1999-2021

Yamaha

YZ125

Base

2020-2021

Yamaha

YZ125X

Base

1999-2021

Yamaha

YZ250

Base

2001-2021

Yamaha

YZ250F

Base

2015-2021

Yamaha

YZ250FX

Base

2016-2021

Yamaha

YZ250X

Base

1999

Yamaha

YZ400F

Base

2000-2002

Yamaha

YZ426F

Base

2003-2021

Yamaha

YZ450F

Base

2016-2021

Yamaha

YZ450FX

Base

## Details

- **Price:** 146.7 CAD
- **Vendor:** Renthal
- **Type:** Sprockets

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 146.70 CAD | In stock |

## Images

- User 1

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/renthal-99-24-yamaha-yz125-450-wr250-450-rear-grooved-sprocket-silver-520-46p-teeth)
> Updated: 2026-07-01