With a motorsports-inspired Two-Stroke dual port bleed system, industry-leading DOT 5.1 fluid and Kevlar hose, the hydraulic system is engineered for ultimate performance across all temperatures and easy maintenanceThe Dominion A4 caliper utilizes four pistons in the most structurally rigid design possibleDominionâs master cylinder is factory tuned for the shortest dead stroke possible and a crisp bite pointFeatures a cold-forged caliper and KingPin structural pad retention bolt that increases stiffnessDominion A4 features the proprietary QuickBite system for fast and consistent burnish, coupled with our D-Series rotor to manage the heat with less braking noiseCrosshair Caliper Alignment System dramatically simplifies caliper installment and alignment and allows users to quickly and accurately set brake caliper with no rubbing of the rotor on the padsCartridge-bearings used in the brake lever for ultra smooth performanceFrt or RrNo RotorBlack/SilverDot 5.11800mm310gStandard Post Mount49UPC/EAN/GTIN: 847863028785