Box One Stem Locks hubs featuring a proprietary co-molded nylon

featuring a proprietary co-molded nylon shell and carbon fiber Seatpost

these are also a requirement for USABMX Nationals

Key differences: This particular model fork is tailored for larger-sized racers and therefore includes a lightweight 1-1/8 inch 7000 series aluminum steerer tube and 10mm cold-forged dropouts

although you'll forgo the hinged clamp and die-cast structure

this Port Authority embroidered polo has it all—relaxed fit

Box One Stem Locks hubs featuring a proprietary co-molded nylonCold forged and fully CNC machined from several high strength aluminum alloys, new Box One Stem Locks offer peace of mind and a level of added protection against losing your front wheel and fork legs in the event of a broken steerer tube. All new Box One Stem Locks are backward compatible with existing Box forks and may work with forks from other manufacturers.