10 meter rolls of Jagwire Sport derailleur housing are pre-lubricated and come in a variety of color options This housing is teflon lined and extra compression resistant for cleaner shifts. 10 meter roll or single 5 foot section available Lube is introduced continuously as housing is extruded so there are no dry spots in the middle of the housing run Roll includes all ferrules. Compatible with Shimano 10 speed shifting systems Housing Diameter: choose; 4mm standard/traditional, or 4.5mm oversized