Brake and Clutch Service in Mossel Bay The clients of Greff Brakes include the general public as well as mechanical workshops, fitment centres, vehicle dealerships and service centres. Greff Brakes Mossel Bay's services include: * Skim Drums *Re-bond and Size Shoes * Re-con Calipers * Skim Fly Wheels * Re-bond most clutch plates * Supply New Clutch Kits. We collect and deliver.