Short Reach Lever (SRL) ergonomically tailored for the smaller hand . Four piston brake developed for the rigors of DH and Enduro. Low-effort lever input (LoFi) for excellent braking feel and control. QuickBite2 specific pad compounds paired with the Hayes D-series rotors deliver fast, consistent braking performance across all temperature and speed conditions . Hayes K2 hose is constructed from woven to provide the stiffest hose possible for maximum power transmission. Uses DOT 5.1 brake fluid due to its high boiling point and consistency. *Rotors and adapters sold separately, USE part# HY-8708/10/12Item Specifications: Kit, Right/Rear, Hydraulic Fluid Type, DOT, Color, Black/Bronze, Model Name, Dominion A4 SRL, Caliper, Post Mount 74mm, Rotor, Separate, Weight, 320g,.