Can you say thick? Wethepeople continue to develop and evolve bike tech to further improve our bikes, and they have their guys currently testing this beauty – the prototype Felix Prangenburg sprocket. Coming in at right around 8mm thick and made from 7075 aluminium, the offset teeth help with your chain alignment, and suffice to say this thing is built TOUGH. Look for this piece to come out later this year. In the meantime, here’s Felix’s latest edit.