Lightweight, fast-charging, and engineered with Red Bull Advanced Technologiesthis is freedom on two wheels.Why choose Skarper?Lightweight at only 4.5 kgRemovable in one secondNo wires,no messPeak torque 76 Nm Feel the help on hills so you can ride longer without tiring.Fast 2.5-hour charging Always ready to go when you are.Your Skarper eBike Drive System comes with:Skarper Drive UnitA high-torque brushless motor combined with a state-of-the-art Li-ion battery pack in a compact, portable package.DiskDrive® Brake RotorA maintenance-free sealed gearbox built into the space behind a disc-brake rotor. Replacing your existing rotor with the DiskDrive® prepares your bicycle to become a powerful, high-performance eBike whenever you choose.DynamicClimb® Pedal SensorA wireless pedal-assist sensor (via Bluetooth) that communicates with the Skarper Drive Unit. It adapts to rider input and terrain, delivering near-instantaneous power and responding dynamically through its built-in incl