Jagwire 4mm Sport Derailleur Housing with Slick-Lube Liner 50M File Box, Black

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