What are the real-world limitations of ebikes for plus-size people when it comes to weight capacity, durability, and overall performance, and how can manufacturers better address these concerns to provide a more inclusive and reliable product for this growing market? For instance, what are the typical weight limits for ebikes designed for plus-size riders, and how do these limits impact the bikes overall stability and handling? Are there any specific design features or technologies that manufacturers can incorporate to improve the durability and performance of ebikes for plus-size riders, and what are the trade-offs in terms of cost, weight, and complexity? How do regulatory standards and industry testing protocols account for the unique needs and requirements of plus-size ebike riders, and are there any efforts underway to develop more robust and inclusive testing protocols? Can we expect to see more ebike models specifically designed for plus-size riders in the near future, and what features and innovations can we anticipate in these products?