https://gleam.io/RMMmG/dyu-christmas-giveaway?
1 winner(s) will receive DYU T1 Pedal-Assist Torque Sensor Foldable Electric Bike (approximate retail value 999 USD)
5 winner(s) will receive electric bicycle accessories kit (approximate retail value 699 USD)
10 winner(s) will receive One-year free maintenance service (approximate retail value 500 USD)