• All the benefits of REVO shocks plus six external knob adjustments allow fine-tuning of rebound• Provides optimum rebound performance for any given rider weight, personal ride quality preference, or personal riding style• Light to heavy riders can fine-tune ride preference• Aggressive to casual riding styles can tune to desired quality or personal preference• Black• 12″ standard duty• Lifetime warranty• Hand made in Sturgis, South Dakota, USA