R1WURKS Fits XB2/XB4 Ultra-lightweight Titanium HD CVA Bones, 77mm

R1WURKS Fits XB2/XB4 Ultra-lightweight Titanium HD CVA Bones, 77mm Constructed from specially treated Ti 6Al-4V grade 5 titanium alloy, these parts offer exceptional strength and a substantial reduction in rotational inertia. They ensure quick acceleration and deceleration, giving stock racers a crucial competitive advantage. Application: These ultra-lightweight bones are optimized for stock racing, specifically for the 21.5 to 17.5 classes.  Key Features and Specifications: Weighing in at just 6.0g for the pair, these bones are 43.40% lighter than the standard kit steel bones. In-house ultra-high precision tight tolerance swiss machining Made from treated Ti 6Al-4V grade 5 Titanium alloy Improved acceleration Better braking response  Increased power transfer  Better agility and responsiveness when cornering Lower motor temperatures  Lower overall vehicle weight Laser-etched logos and identification markings Includes: Two CVA bones Replaces: XRAY 325327 Rear Drive Shaft 77mm with