A bottle boss is a threaded mounting level discovered on bicycle frames, usually beneath the downtube, designed for attaching equipment like water bottle cages. These small fixtures supply a handy strategy to carry hydration and different necessities with out requiring specialised baggage or racks. A typical cage, secured by bolts to those bosses, can assist a normal water bottle.
The load-bearing capability of those mounting factors is a essential issue for cyclists. Whereas designed primarily for water bottles, riders typically make the most of them for heavier objects like instruments, pumps, and even small baggage. Understanding the bounds of those fixtures is important to stop injury to the body or the lack of carried objects. Traditionally, their major operate was hydration, however their versatility has led to elevated utilization for carrying different tools, pushing the boundaries of their meant design.