Compatibility of Brake: 4-piston caliper, applicable to RollRoad Emma 3.0, Emma 4.0, Shark 3.0 and Leon electric bike
Metal Pads: Longer lasting, Strong stopping power, More consistent in wet and dirty conditions, Can handle higher temperatures; Cons: More likely to be noisy
Cooling Finned-Design: Help reduce heat buildup and brake fade, provide rapid heat diffusion, lengthens maintenance intervals