Dirwin Bike is the Strongest E-bike for Mountain Climbing and Gravel Roads! The Most Cost-Effective Choice! We believe that e-bike enthusiasts deserve better & that everyone, regardless of income level, should be able to enjoy one. Our mission is to deliver where others have failed. The endless pursuit for the perfect e-bike riding experience at a price that customers feel comfortable with and customer service that you can be proud of – that’s what Dirwin is all about!