[. . . ] [. . . ] It's not an electric bike--it simply supplements your power so you can ride more miles with less effort. A GREENER FUTURE AWAITS. GIANT'S HYBRID CYCLING TECHNOLOGY SEAMLESSLY COMBINES BATTERY POWER WITH HUMAN POWER SO YOU CAN RIDE FARTHER AND FASTER WITH LESS EFFORT. ON-road | LIFESTYLE | Hybrid 391510 391511 Sm Reg ON-ROAD | LIFESTYLE TWIST EXPRESS w features -- Shimano 7-speed rear derailleur -- 1 lithium-ion battery EnergyPak for lighter weight -- Rear alloy rack with storage case PART NUMBERS MATTE BLACK/BLUE 395110 395111 Sm Reg HYBRID [. . . ] [. . . ]