Renthal UltraLight Rear Chainwheel for Yamaha MT-07, 2026 YZF-R7, and Tracer 7 – Part Number 519U-520-42P

Renthal UltraLight Rear Chainwheels are CNC machined in Manchester, UK 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. With Renthal's 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 more factory race team machines than all other competing brands combined.

The Renthal UltraLight Rear Chainwheel, part number 519U-520-42P, is designed to deliver optimal performance for a range of powersports applications including Yamaha MT-07, 2026 YZF-R7, and Tracer 7 models. Crafted from high-grade 7075 T6 aluminum and CNC machined in Manchester, UK, this chainwheel offers a significant reduction in weight—approximately 66% lighter than traditional steel sprockets—without sacrificing strength or durability. Its lightweight design helps improve acceleration, handling, and overall ride quality by reducing unsprung mass. The computer-engineered manufacturing process ensures precise fitment, high concentricity, and effective load dispersion, which are critical for maintaining chain alignment and maximizing power transfer during aggressive riding or racing conditions. The tooth profile is carefully optimized to ensure maximum efficiency and durability, supporting aggressive throttle inputs and high-torque scenarios. Additionally, the chainwheel features a hard-anodized surface treatment, enhancing resistance to wear, corrosion, and impact, extending its service life even in challenging environments. Renthal's commitment to quality and engineering excellence is reflected in the widespread adoption of their lightweight sprockets by factory race teams worldwide. This rear chainwheel is a perfect upgrade for riders seeking to enhance their bike's performance with a reliable, lightweight, and precisely engineered component that integrates seamlessly into their existing drivetrain setup. Whether upgrading for competitive racing or improving everyday riding, the Renthal UltraLight Rear Chainwheel provides a high-performance solution that combines advanced manufacturing techniques with durable materials for lasting value.

Features:

• Material: CNC machined from 7075 T6 aluminum for lightweight strength

• Weight Reduction: Approximately 66% lighter than steel counterparts

• Precision Engineering: Ensures accurate fitment, concentricity, and load distribution

• Tooth Profile: Designed for maximum power transfer and durability

• Surface Treatment: Hard-anodized finish for enhanced wear and corrosion resistance

• Application: Compatible with Yamaha MT-07, 2026 YZF-R7, and Tracer 7 models