Paul is a passionate mechanic, whose attention to detail and honest approach has earned him loyal and repeat customers, but don't take his word for it, read some customer testimonials and press articles about his services. But, so you know, most of P.S.I.'s customers were recommended there by friends. PSI only use high quality hard parts, goods, lubricants and fluids in services and recommend intervals of 4000 miles or 6 months between service inspections. Also winter riding "Health Check" packages which can be made up of anti-freeze changes, road salt oxidation / corrosion servicing of brake calipers, chain lubrication and adjustments. Available for all year round protection and optimum performance. Vacuum bleeding of hydraulic systems (most manufacturers recommend this every two years). Major manufacturers also recommend replacement of original rubber brake lines every four years, which is also a good time to upgrade to stainless lines.