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
Amazon.com : Jagwire Black Housing Liner 30 Meter Roll, Fits up to 1.8mm Cables : Bike Shift Cables And Housing : Sports & Outdoors
POC Teflon Cable Liner - Power On Cycling Recumbents Bacchetta, Catrike Lightning RANS TRICE Top End Handcycles
3Meter Road Bike Brake Cable Housing Slick Liner for Internal Cable - AliExpress
Jagwire Housing Liner 30m Roll Fits Up To 1.8mm Cables Provides Extra Protection | eBay