Renthal 15-22 Yamaha WR 250F/ YZ 250F/FX/ 2005 YZ450Fa Rear Sprocket LTD - H Anodized 520-51 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.

The Renthal UltraLight Rear Chainwheel is engineered for high performance and durability, designed specifically for Yamaha WR 250F, YZ 250F, and YZ450F models. Crafted from CNC-machined 7075 T6 aluminum, this sprocket offers an impressive 66% weight reduction compared to traditional steel options, contributing to improved handling and acceleration. Each sprocket is computer-engineered to ensure a precise fitment, optimal concentricity, and effective load dispersion, which enhances power transfer during aggressive riding or racing conditions. Its tooth profile is carefully designed to maximize efficiency and longevity, reducing wear and ensuring reliable performance over time. The hardwearing surface treatments further extend the sprocket's lifespan, making it a reliable upgrade for enthusiasts seeking lightweight performance components. The anodized finish provides additional corrosion resistance, maintaining its appearance and functionality even under demanding riding environments. This sprocket is suitable for riders who demand high performance and durability, whether in competitive racing or trail riding, and it features a 520 pitch with 51 teeth, perfectly matching OEM specifications for seamless installation. Designed with precision and quality, the Renthal UltraLight Rear Chainwheel embodies the brand’s commitment to excellence and has become a preferred choice among factory race teams and serious riders alike. Its lightweight design contributes to overall bike agility, helping riders achieve better control and quicker response during technical sections or high-speed runs. Easy to install, this sprocket ensures that you can upgrade your bike efficiently and confidently, knowing it is built to meet rigorous standards of performance and reliability.

Features:

• Constructed from CNC-machined 7075 T6 aluminum for lightweight strength

• 66% lighter than steel sprockets, enhancing bike handling and acceleration

• Computer-engineered for precise fitment, concentricity, and load dispersion

• Tooth profile designed for maximum power transfer and durability

• Hardwearing surface treatments increase lifespan and resist corrosion

• Anodized finish for added corrosion resistance and aesthetics

• Suitable for Yamaha WR 250F, YZ 250F, and YZ450F models

• Includes 51 teeth with 520 pitch for OEM compatibility

• Ideal for racing and high-performance riding environments