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R1 Wurks 900120 XB2/XB4 Ultra-lightweight Titanium HD CVA Bones 77mmR1 Wurks 900120 XB2/XB4 Ultra-lightweight Titanium HD CVA Bones 77mm
R1 Wurks 900120 XB2/XB4 Ultra-lightweight Titanium HD CVA Bones 77mmR1 Wurks 900120 XB2/XB4 Ultra-lightweight Titanium HD CVA Bones 77mm
R1 Wurks 900120 XB2/XB4 Ultra-lightweight Titanium HD CVA Bones 77mmR1 Wurks 900120 XB2/XB4 Ultra-lightweight Titanium HD CVA Bones 77mm
R1 Wurks 900120 XB2/XB4 Ultra-lightweight Titanium HD CVA Bones 77mmR1 Wurks 900120 XB2/XB4 Ultra-lightweight Titanium HD CVA Bones 77mm

R1 Wurks 900120 XB2/XB4 Ultra-lightweight Titanium HD CVA Bones 77mm

$62.95
Tax included.

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 2.5mm Pin

Fits: XB2 and XB4

Team Driver Tip: Use R1WURKS Black WS2 Grease at the joint and drive cup during assembly