What type of brakes does the eBike have (disc brakes, rim brakes)? Does the type of brake really make a difference in terms of performance, durability, and safety, or is it just a matter of personal preference? Are there any studies or data that compare the effectiveness of disc brakes versus rim brakes in various riding conditions? Is there a reason why some manufacturers opt for one type of brake over the other, or is it just a design choice? Are there any potential drawbacks to using disc brakes, such as increased weight or reduced aerodynamics? Conversely, are there any benefits to using rim brakes that are often overlooked? How do the different types of brakes affect the overall riding experience, and are there any specific scenarios where one type of brake is preferred over the other? What about the maintenance and upkeep requirements for each type of brake - do disc brakes require more frequent adjustments or replacements, or are they generally more low-maintenance? Are there any emerging trends or technologies in eBike braking systems that we should be aware of, and how might they impact the debate between disc brakes and rim brakes?