Yulu Miracle GR, Dex GR Electric Bike Specifications The Yulu Miracle GR and Yulu DeX GR electric bikes are based on the same platform and share many mechanical components. both use scooters There is telescopic fork at the front and twin shock absorber suspension at the rear. The Yulu Miracle GR and Yulu Dex GR electric bikes rely on drum brake set-up at both the front and rear. That said, the electric...