MAHLE Smartbike Systems e Shifter Remote Pair 970mm Wire Splitter Wire Spring Weight 475 A lightweight Pivotal saddle that A lightweight Pivotal saddle that offers added durability that can take on anything from the track to the trail due to its composite web design Master link pliers chain tool tire levers and chain hook Discrete buttons connected to the HEAD Unit that can control 1 or 2 operations assist level lights and more (4 operations in total) The MAHLE eShifter allows riders to better and seamlessly control their bike including two small control buttons vibration technology and flexible placement of the included silicon bands