THIS IS AN NOS ACS BRAKE DOUBLER IT DOUBLES YOUR BRAKING POWER IT IS ACS 860FEEL FREE TO ASK ANY QUESTIONS CW JMC GHP GT HARO HUTCH KUWAHARA MONGOOSE PATTERSON PROFILE RACE INC REDLINE ROBINSON SCHWINN SE SKYWAY TORKER VECTOR FREE AGENT JAG BLUE MAX WEBCO DAN GURNEY VDC MATTHEWS TITAN ZERONINE DG 24 26 CRUISER FREESTYLE