RockShox BoXXer Ultimate D2

BoXXer promises one thing above all—composure. Eliminate chaos before it reaches the rider so every run delivers predictable speed, traction, and control.

• LinearXL air spring backed by a jounce bottom-out bumper for end-stroke control
  
• ButterWagonTech ensures a constant supply of oil to the bushings, reducing friction and maintaining smooth performance throughout the entire service interval
  
• Charger 3.2 damper achieves virtually silent performance, keeping riders focused on the trail
  
• Control bezel with numbered Compression adjuster for intuitive adjustments—start at ''0'' and easily add or decrease damping
  
• ButterCups technology block 20% of high-frequency “trail chatter” to reduce fatigue
  
• Bolt-on fender compatibility with front and rear coverage
• SRAM Model ID: FS-BXR-ULT-D2

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