E-Bike Metallic Carbon Disc Brake Pads for Hayes, Promax

GREY = Super Soft
+ Super soft compound
+ Noise reducing
+ For any noisy disc brake
+ Excellent problem solver
BLUE = Organic
+ Soft compound
+ Comfortable and reliable
+ For gravel bike, road bike, trekking bike and MTB
+ Excellent for daily and sporty use
BLACK = Metalic Carbon
+ Medium compound
+ Powerful
+ For cargo bike, e-bike and MTB
+ Excellent for heavy duty
GOLD = Sintered
+ Hard compound
+ Wear and heat resistant
+ For commercial cargobike,
+ e-bike and downhill MTB
+ Excellent for intensive use