ORBEA GAIN D30 105 DISC E-ROAD BIKE 2021With a lightweight and nimble aluminium frame and clean, unobtrusive cable management, you'd be forgiven for thinking the Orbea Gain D30 105 Disc E-Road Bike doesn't have a motor or battery at all. Ride it up a steep hill, hit the power button and you'll instantly feel the helping addition of 250 watts throug..