The largest four cogs are machined from a single billet of aluminium and the smaller seven are machined from the single billet of steel

their patented Rubber collet system means that when tightening

control and feedback while reducing pinch flats

Removable chest and back plate armor inserts provides impact protection

Fox Union BOA Flat Pedal Shoes - EU 39 - Black PLP|EMTB Optimised The largest four cogs areHigh performance footwear to enhance your ride Fox Union BOA Flat Shoes are set to take your mountain bike adventures to new and more confident levels of you, providing a customized fit via the dual BOA Li2 system featured in these trail ready shoes. Our #1 footwear style has once again raised the bar with another update, this time an all new upper (a blend of TPU welded upper featuring ripstop to provide a durable and more breathable experience),