The 1x Elite Sealed Shift Kit uses a continuous liner that seals the system completely protecting it against dirt, mud and other contamination. This system offers the ultimate combination of protection and low-friction performance for bikes with a rear derailleur or internally geared hub only.To ensure the best possible performance, weve paired Elite Polished Ultra-Slick inner cables with our Slick-Lube continuously-lubricated liners. This combination delivers precise cable movement and excellent durability.The continuous liner running from the shift lever to the derailleur offers outstanding protection from dirt and debrisElite Polished Ultra-Slick cable is paired with a Slick-Lube liner to minimize frictionLightweight XEX shift housing is nearly 30% lighter than traditional shift housing5.0mm shift housing and 1.9mm inner liner may not be compatible with all frames and componentsTechnology:XEX - lightweight, braided steel strands around a Slick-Lube linerSealed, LubricatedJagwire se