If it’s not broken, don’t fix it! Emu’s success with their Classic & Roam design has lead to the MK3 maintaining the same great design in terms of colour, frame geometry and technologies such as battery integration. Differing from the Roam MK2 thanks to its clever Enviolo hub gearing system that allows for stationary shifting & eliminates that derailleur sag & the possibility of derai... https://www.electronics70off.co.uk/products/Emu-Classic-MK3-Step-Through-Electric-Bike%2C-700c-Wheel-%E2%80%93-Navy.html