4mm Sport Derailleur Housing + Slick-Lube Liner

File boxes stack conveniently on a shelf or in Jagwire's file box organizer for easy access and come in a variety of different quality levels

Linear strand construction provides stiffness while remaining suitably bendable

Slick-Lube liner cuts friction and protects Teflon coated cables

Lube is introduced continuously as housing is extruded so there are no dry spots in the middle of the housing run