Dura Rear Sprocket 42T YZ/YZF '99- 520

[DRC Dirt Freak D34-52-042 DURA Rear Sprocket 42T YZ/YZF '99- 520]
This steel sprocket boasts unrivaled durability compared to aluminum sprockets, thanks to optimized material and heat treatment.
The high-precision laser-cut design achieves an ultra-lightweight construction, approximately 30% lighter than standard steel sprockets, while maintaining excellent strength balance through extreme weight reduction.
*Design varies depending on the number of teeth, size, or model.
*For DT125R/200R, DT230 LANZA, TT250R RAID, KDX125SR, SX125R, Djebel 125, DF125, DR125, a 520 conversion size is available.
The standard size is 428, so please be careful when purchasing.
*For DT200WR, TT250R, WR250R/X, KLX125/D-TRACKER125, separate tapered sprocket bolts are required.
*If you change the size from your current sprocket, you will need a chain that matches the new size.
*Even if a number of teeth is selectable, it does not guarantee that it can be installed.
Interference with the vehicle body or other parts may occur, so please check your vehicle before purchasing.
If you are forced to significantly increase the number of teeth on the rear, reduce the number of teeth on the front and adjust to achieve a balanced front and rear.
*The image is for illustrative purposes only, and the design and specifications of the products shown are subject to change without notice. Please understand.