KAKUKA K70 Assembly How to assemble the new 700C 250W Chainless Road E-Bike How to unbox and assemble the new KAKUKA K70 step-by-step. A 700C wheel road e-bike with 250W motor and 32 km/h top speed. Open the box, you’ll see the bike itself and a small box with the charger, pedals, user manual, and [...]