Cooling Floating Rotor MTB DH Bicycle Disc Brake 21x5x21cm

Features:
It not only looks fine but also offers a substantial weight reduction.
The shape of the disc ensures fine heat dissipation under heavy braking sessions, reducing brake fade, minimising warping, and ensuring rotor longevity. 
Fine disk wear resistance rapid air circulation, 7075 bracket fine heat dissipation.
Perfect stainless steel carrier, fine quality polish outside rotor.
Specifications:
Material: 7075 aluminum alloy
Color: Black, red (optional)
140MM:
Item weight: 86g / 3.0ounce
Package weight: 86g / 3.0ounce
160MM:
Item weight: 110g / 3.9ounce
Package weight: 115g / 4.1ounce
180MM:
Item weight: 146g / 5.1ounce
Package weight: 150g / 5.3ounce
203MM:
Item weight: 180g / 6.3ounce
Package weight: 186g / 6.6ounce
Package size: 210 * 210 * 5mm / 8.3 * 8.3 * 0.2in
Packing List:
1 * Bicycle Disc