The Ultspeed 4-Piston Calipers represent a leap forward in brake system design, offering riders a true custom look backed by premium performance. Available in eye-catching Polished, Chrome, or Matte Black Powder Coat, each caliper is assembled with corrosion-resistant stainless steel fasteners. For internals, Ultspeed specifies standard stainless steel pistons and anti-rattle springs, a combination that ensures increased performance and excellent resistance to wear...