Omni Wheel Electric Bike Wheel by Evelo 30 MINUTE INSTALLATION - transform virtually any bike into an electric hybrid FRONT WHEEL INSTALL makes installation and service incredibly easy WIRELESS DISPLAY lets you adjust the level of assist, while also providing you with speed and distance information POWER ASSIST - Pedal as much, or as little, as you want with power-on-demand 26" Wheel, 350W Motor, 24V 14.5Ah Battery