XB4'25 All-new features:

  • New chassis and aligned front bumper improve ground clearance
  • 3mm wider front suspension arm holders (A and B) increase stability & cornering speed
  • Wide rear suspension arm holders (C and D) included to increase stability & cornering speed
  • Longer front 84mm drive shafts accommodate wider geometry from the new arm holders
  • Graphite front lower suspension arms in XB4C improve high traction performance
  • Hard front lower suspension arms in XB4D increase traction
  • Graphite C-hubs improve response & consistency
  • New front steering blocks with external adjustable carbon steering plates for extended tuning options
  • Steering blocks moulded from graphite material for improved response & consistency
  • 2 dots front carbon steering plates for balanced handling characteristics
  • Larger 3.5mm turnbuckles for improved durability
  • Larger 5.4mm ball ends & composite ball joints for improved durability & reduced friction
  • Redesigned front and rear anti-roll bar geometry with super easy adjustment from top
  • 1.8mm F&R (XB4C) and 1.2/1.3mm F/R (XB4D) shorter anti-roll bars improve handling
  • Shorter 113mm rear central dogbone drive shaft in XB4D for short wheelbase configuration suggested for lower traction conditions
  • Front 2 dots lower carbon shock tower for a lower CG & improved cornering speed
  • Rear 3 dots lower carbon shock tower for a lower CG & improved cornering speed
  • Shorter shock bodies & shock shafts in front & rear match new lowered shock tower geometry and lower CG
  • New +2mm & +4mm shock ball joints for extended droop setting possibilities for all different track conditions
  • New -2mm & -4mm composite spring collars with cleaning holes for expanded ride height adjustments
  • Rear lower alu shock adapters mounted on lower arms improve handling on carpet (XB4C only)
  • New shorter rear lower suspension arms with 3 shock mounting positions.
  • Graphite rear lower suspension arms in XB4C improve high traction performance
  • Hard rear lower suspension arms in XB4D increase traction
  • Alu steering plate increases strength & improves steering response on high traction (XB4C)
  • Graphite composite steering plate improves handling on low traction (XB4D)
  • Alu Monoblock servo holder improves strength, different flex characteristics & durability
  • Graphite rear uprights improve consistency & cornering speed
  • Steel gears

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