Jagwire 4mm Sport Derailleur Housing with Slick-Lube Liner 10M Roll Celeste Attachment Method-Bolt-On Puncture protection newly defined -

Puncture protection newly defined - the material itself prevents sudden air loss

Crown Race 40 Bearing Type Cartridge Bearing Type Stainless Steel Color Black S

Nylon composite shell

Aluminum arms steel 8/9-speed chainrings with pins and ramps

Jagwire 4mm Sport Derailleur Housing with Slick-Lube Liner 10M Roll Celeste Attachment Method-Bolt-On Puncture protection newly defined -Jagwire 4mm Sport Derailleur Housing with Slick Lube Liner 10M Roll Celeste. 10 meter rolls of Jagwire Sport derailleur housing are pre lubricated and come in a variety of color options. 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 TECH