R1WURKS R1B Ultra-lightweight Titanium CVA Bones, 69mm
Replace your stock steel CVA bones with these ultra-lightweight alternatives, made from specially treated Ti-6Al-4V Grade 5 titanium alloy for a significant reduction in rotational inertia. Engineered for rapid acceleration, these bones give stock racers a true competitive edge.
Key Features and Specifications:
- Weighing in at just 5.39g for the pair, these bones are 40.40% lighter than the standard 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
Application: These ultra-lightweight bones are optimized for stock racing, specifically for the 21.5 to 17.5 classes.
Includes:
- Two CVA bones
Replaces: R1WURKS R1B CVA Bone, #920092
Fits:
- R1B
Team Driver Tip: Use R1WURKS Black WS2 Grease at the joint and drive cup during assembly

R1WURKS R1B Ultra-lightweight Titanium CVA Bones, 69mm
Replace your stock steel CVA bones with these ultra-lightweight alternatives, made from specially treated Ti-6Al-4V Grade 5 titanium alloy for a significant reduction in rotational inertia. Engineered for rapid acceleration, these bones give stock racers a true competitive edge.
Key Features and Specifications:
- Weighing in at just 5.39g for the pair, these bones are 40.40% lighter than the standard 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
Application: These ultra-lightweight bones are optimized for stock racing, specifically for the 21.5 to 17.5 classes.
Includes:
- Two CVA bones
Replaces: R1WURKS R1B CVA Bone, #920092
Fits:
- R1B
Team Driver Tip: Use R1WURKS Black WS2 Grease at the joint and drive cup during assembly
