Amazon.com : Jagwire - Sport 5 mm CGX-SL Bicycle Brake Housing | Bulk Roll of 10 M | High Carbon Coiled Steel, Slick-Lube Inner Liner | Ice Grey : Bike Brake Cables
Jagwire 5mm Sport Brake Housing with Slick-Lube Liner 10M Roll Carbon – The Bike Hub
J&L Ultra Light Shift/Gear Cable Housing+Liner Set | eBay