Jagwire Housing Connectors: to extend housing runs these double-ended junction end caps can be used to connect 2 single pieces of outer housing - usually placed under the handlebar tape on racing handlebars so that inner and outer brake and shift cables can be replaced without having to remove the handlebar tape. Also, the handlebars can also be replaced without the need to completely reposition cables and housings. Available with 4mm diameter for shift cables and 5mm diameter for brake cables. Material: aluminium, colour: silver. Scope of delivery: 2 pieces.