Renthal 99-24 Yam YZ125/X/G/ 250/F/X/ 450F/FX/ WR250-450F Rear Sprocket LTD - H Anod 520-50 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, designed specifically for Yamaha YZ125, YZ250X, WR250F, and 450F models, offers a high-performance upgrade for your motorcycle. Crafted from CNC-machined 7075 T6 aluminum, this rear sprocket provides a significant weight reduction—66% lighter than traditional steel options—without compromising strength or durability. Its precision engineering ensures a perfect fit and concentricity, optimizing load dispersion and power transfer to enhance overall riding efficiency. The tooth profile is meticulously designed to maximize torque transfer, making it an ideal choice for competitive racing or aggressive trail riding. Its hardwearing surface treatments extend the lifespan of the sprocket, even under demanding conditions, while the anodized finish adds corrosion resistance and a sleek appearance. Whether you are upgrading your existing setup or building a race machine, the Renthal UltraLight Rear Chainwheel delivers the performance benefits of high-end materials and manufacturing technology. Easy to install and compatible with 520 chain sizes, this sprocket is an essential component for riders seeking lightweight reliability and maximum power output. Invest in a sprocket that combines cutting-edge design with proven performance to keep your motorcycle performing at its best on the track or trail.

Features:

• Made from CNC-machined 7075 T6 aluminum for optimal strength and lightweight performance

• 66% lighter than steel sprockets, reducing unsprung weight for better handling

• Precisely engineered for perfect fitment, concentricity, and load dispersion

• Tooth profiling designed for maximum power transfer and efficiency

• Hardwearing surface treatments extend sprocket lifespan and resist corrosion

• Anodized finish provides additional durability and aesthetic appeal

• Compatible with 520 chain sizes for Yamaha YZ125/X, WR250F/450F models

• Designed for racing and aggressive riding environments, ensuring reliable performance