Knog Oi Classic Bell - Brass - Large PLP|Model Year The TK-4 was painstakingly designed

The TK-4 was painstakingly designed with pockets and holders for specific tool shapes and sizes as well as some generic storage areas

all‑road and mixed‑terrain use

and shifter/brake housing

Full hard shell design rounds out this helmet - the Bell Sixer MIPS is the full package

high-density foam padding protects downtubes

Knog Oi Classic Bell - Brass - Large PLP|Model Year The TK-4 was painstakingly designedBike bells generally look & sound a bit ugly. But why? What if they looked sexy & sounded like an angel playing a glockenspiel? A bell with a beautiful tone, but also a remarkable style and choice of materials that embodies a rider's personality. The Large size fits 23. 8 31. 8mm bars, while the Small fits 22. 2mm bars.