Strida Brake Caliper kit
The Strida brake caliper kit includes front and rear calipers and all needed fasteners. Dress up your Strida with a bright red, neon green, blue or orange brake calipers kit.
Here is a link to this blog post, Strida Brakes Explained which contains instructions on replacing the Strida brake calipers, brake pads and adjusting Strida disk brakes.
There are also orange and green 16 inch fenders available.