R1 WURKS Team Associated B7 Series Ultra-Lightweight HD CVA Bones, 69mm

R1WURKS (B7 Series) Ultra-Lightweight HD CVA Bones, 69mm Ultra-lightweight bones take the lightweight design to the next level. With an even smaller shaft diameter, rotational inertia is further minimized, allowing for the faster acceleration and deceleration that stock racers crave. Application: These ultra-lightweight bones are optimized for stock racing, specifically for the 21.5 to 17.5 classes. For lower wind classes, such as 13.5 and Modified, it is recommended to use the #900067 R1WURKS B7 Lightweight HD CVA Bones, 69mm. Key Features and Specifications: Weighing in at just 7.2g for the pair, these outdrives are 34.9% lighter than the standard bones. Made from treated high-yield strength steel with exceptional elasticity and toughness Low friction, wear-resistant titanium nitride (TiN) coating Improved acceleration Better braking response  Increased power transfer  Lower motor temperatures  Laser-etched logos and identification markings Includes: Two CVA bones Replaces: AE