Master cylinders for Citroën 2CV. Have the brakes on your 2CV given up on you? Need a new master cylinder? You've come to the right place. The 2CV MEHARI CLUB CASSIS online shop offers 2CV master cylinders for your braking system. What's more, other brake products are available: brake shoes, calipers, pads, discs, brake fluids, fluid reservoirs, seals, screws, rods and pedal rubbers.