One of the best choices around for your disc brake upgrade. This performance 4 pot brake caliper by Racing Boy is a quality item made from forged alloy and heat treated pistons. Fits a universal range of small bikes and comes in a few colors.
fits 3.5mm thick disc rotors.
brake pads included
While this brake caliper can be made to fit almost any bike, ready made brackets are only available for the Yamaha Vixion, Z 125 and T 135 Jupiter MX/Sniper/Crypton X/Spark/Exciter only. DIY fabrication of the caliper bracket would be needed universal applications.