Park Tool BX-3 Rolling Big Blue Box New In including a cartridge axle with

including a cartridge axle with sealed mechanism for long durability and a cleat retention adjuster for easy setup

4mm and 31

Souplesse construction for smooth riding feel + high puncture protection

Rubber edges for maximum protection

With just a few changes in the materials used for its construction

Park Tool BX-3 Rolling Big Blue Box New In including a cartridge axle withBuilt to withstand the punishment of travel and constant use and molded from impact resistant polypropylene, the BX 3 is a professional grade toolbox for the professional bike mechanic. Features folding dual sided pallets with 70% more surface area than the BX 2. 2 and hundreds of custom designed loops and pockets. The sturdy outer shell is dust and water resistant, with an air pressure compensation valve for air travel. The lid features gas assisted