E-system: Campatible with SHIMANO DU-EP801 motor. Battery: Compatible with SHIMANO BT-E8036 (630Wh) and Darfon E4C0G (720Wh) Perfect for: All mountain riders. Rear Travel: 150mm. Rear Shock Size: 190*51mm Tires: Designed to work with 29"*2.6"/27.5"*3.0" tire. Cable routing: All internal cable routing. Internal dropper post routing. Dropper post is 31.6 diameter. Material: High Modulus Carbon Fiber