The disc brake system has a brake caliper with counter-rotating double pistons. The front pistons have a different diameter than the rear ones. The system uses a power transmission technique in which the small pistons grip the incoming disc and the larger, more powerful pistons grip the outgoing disc. This reduces the flutter of the brake disc and makes the brake much quieter. The four-piston caliper increases the contact area with the brake disc while keeping its size compact. The position of the pads is precisely adjusted to stabilize the pressure. In addition, in combination with the Servo Wave brake lever, an incredible 50% more braking force is achieved than with the predecessor model. The advanced Saint/Zee disc brake system can be adapted to the driver's braking habits and generates a uniform, excellently controllable braking force.Attention: Brake disc not included in scope of delivery.