These genuine TEKTRO yellow disc brake pads are designed for 4 - piston PR calipers with a return spring. They are a perfect fit for HD_M745, HD - M735, HD - E725, and HD - E720 models (Q10ys). Enjoy reliable braking performance with these high - quality pads.

Using these disc brake pads is easy. First, make sure your bike is on a stable surface and the wheels are secure. Remove the old brake pads from your 4 - piston PR caliper and then carefully insert the new yellow ones with the return spring in place. Check that they fit snugly. When riding, these pads will give you good braking power. As for maintenance, regularly clean the brake pads and the caliper to remove dirt and debris. Avoid getting oil or grease on the pads as this can reduce their effectiveness. If you notice the pads are worn out, it's time to replace them to keep your braking system working well.