Experience Powerful Braking Our 4piston dualway brake system provides exceptional braking force allowing you to stop on a dime every time Many satisfied customers can attest to its performance Easy Installation Our brake system comes prebled with mineral oil making it convenient for anyone looking to upgrade their bike Original Stainless Steel Rotors Our rotors are made with highstrength stainless steel featuring a hollow design for improved heat dissipation and easier cleaning At 185mm thickness theyre built to last Standard 4Piston Pads Included Our brake system comes with preinstalled standard 4piston pads that are compatible with popular models such as SHIMANO BRM8120M7120M6120M8020M820M810M640MT520MT420 Replacement pads can be easily found on the market Check Hose Length Please ensure the brake oil hose is sufficient for your bike before purchasing The front hose measures 315 inches 800mm and the rear hose measures 551 inches 1400mm