Single-speed mountain bikes are easier to maintain. There are no complicated groupsets to worry about. In the event of a crash, a single-speed mountain bike is much more likely to keep ongoing. The simplicity of its system without a range of gears makes it perfect for all types of rides. Particularly, single-speed mountain bikes are great on flat terrains where no gearing is required. Going up steel heels with fixed-speed bikes is not easy. Going downhill with a single-speed bike is not considerably easier either. There are plenty of new single-speed mountain bikes being manufactured today.