<P><b>Hydraulic Disc Brakes Description:<b><br> The bike Hydraulic disc brake left is rear brake, right is front brake.<br> Brand: ZOOM <br> Material: 6061 aluminum alloy, T6 quenching <br> Item: HB100 <br> Color: Black <br> Braking: two-way braking <br> Cylinder: integrated cylinder <br> </P> <P><b>Rotor description:<b><br> 100% brand new and high quality <br> Size:160mm <br> Material: stainless steel <br> Thickness: 1.95mm <br> Weight:98g(180mm),approx <br> Opposite hole distance 44mm,standard size <br> Installation way:standard 6 hole bolts <br> Give 6pcs T25 standard rotor bolts <br> </P> <P><b>Brake cable description:<b><br> 1 set of front and rear brake cables .<br> Size: Brake cable length- 1.1m(front)/1.7m(rear); Brake cable housing- 5mm( Diameter)/2.45m(Length).<br> You can tailor it as needed， enough to meet your desired length.<br> </P> <P><b>Choose to buy packaging:<b><br> 1.Only left Disc Brake Caliper <br> 2.Only Right Disc Brake Caliper <br> 3.Only left and Right Disc Brake Caliper <br> 4.Complete Cable-Pull Hydraulic Bicycle Disc Brake Set <br> </P> <P><b>note:<b><br> Pls check your Bike fork /frame specification before correctly install on it .<br> </P>