We don't know much about the parameters of other brands. But you can first get to know the characteristics of our brand products: 1. magnesium alloy one-piece die-casting frame 2. front telescopic riser, according to the heel height adjustment handlebar height 3. tyres wide 2.25 for more comfort and stability 4. full-color screen display 5. power mode has 5 electric gears, with 7-segment shifting and up to 35-segment changes can be adjusted 6. the battery is 21700 lithium which is more durable and secure than common 18650 lithium quality 7. a simple, good-looking hidden folding buckle.