The SFL version of the Hayes Dominion A4 feature the Short Finger Lever, which is simply a shorter lever blade for smaller hands. However, the standard Dominion A4 lever length works perfectly for most average hand sizes.Hayes Dominion A4 SFL Disc Brake and Lever - Front Hydraulic Post Mount Stealth Black/Gray. The Dominion four-piston hydraulic disc brake has been developed for the rigors of DH and enduro riding provide. Designed with a specific lever pull curve to balance on-demand pressure modulation providing firm engagement between the pads and rotors optimized for the worldCOs most demanding conditions and riders.Low-effort lever input coupled with high-fidelity power output for optimum braking feel and controlPre-bled and assembled with Hayes K2 hose: The stiffest hose possible for maximum power and control transmissionBrake includes two specific pad brake pads intentionally developed to be paired with the new D-series rotor for fast consistent burnish predictable friction rate and consistency across temperature and speed conditionsBoth pad compounds are included: Semi-Metallic T106 (standard) and Sintered T100 (wet conditions)D-Series rotors, caliper adaptors and bleed kit sold separatelyWe highly recommend using Hayes brake adapters because the oversized calipers can cause compatibility issues with non-Hayes brake adapters.Replacement brake pads can be found here!Get the perfect bleed using the Hayes Pro Bleed Kit TECH SPECS Adjustable Reach Yes Brake Caliper Type Post Mount Brake Lever Actuation Hydraulic Brake Lever Use Left Color Black/Gray Hydraulic Fluid Type DOT Rotor Included No