Many junior enthusiasts will be a small mountaineering bag or hydration hiking backpack as a backpack to use, which of course there is no problem, but relatively speaking, riding a waterproof hiking backpack or have some of its own characteristics, for example as follows:
1, the capacity of 10-25 liters, theoretically as small as possible. Not too big, and then big pack pack.
2, generally can be installed water bag.
3, designed for riding the design: such as placing helmets, belts take pocket, a special bike tool placed design.
4, pay more attention to the back ventilation, can be better perspiration breathable.
5, the waterproof bicycle saddle bag has a reflective device, emphasizing traffic safety.