I have a complete Magura front brake set-up for sale. These are the 4 piston calipers that Russell Karting sold, they still show some parts available on their website. This will include the master cylinder, brake lines, calipers and rotors. They do not leak but have been sitting a while and will need pads and a good bleed job. I’ve been told they have a lot of stopping power and from looking at the design I have no doubt that they work well. I am asking $400 plus shipping. Call/text Taylor at 620-757-1981 or email email@example.com for pics or more information. Thanks for looking and keep on karting!