Arlen Ness Radial Mount 4 Piston Caliper The Arlen Ness Radial Mount 4 Piston Calipers seamlessly blend aesthetics and performance. Featuring a 3D sculptured design, it promotes improved cooling during braking. These CNC-machined 4-piston radial brake calipers are crafted from billet aluminum, offering exceptional rigidity under pressure, which contributes to reliable and precise braking capability. Features: Designed to fit Arlen Ness Method Fork Legs with 100mm Radial Caliper Brackets Compatible with ABS & non-ABS applications Designed for 11.8diameter brake rotors 100mm Bolt Spacing Multiple anodized finishes available Choose right or left for correct fitment Each Caliper includes brake pads, bleeder screw, and banjo bolt Sold individually