 In 2015 Zipp launched a number of new wheelsets including a revised 202 and 303 Firecrest disc brake wheelset utilizing the company's new 77/177 hubset.A rim brake version of the same hubset was used across the board for the rest of Zipp's road dedicated Firecrest wheel line.Also in 2015 Zipp released an alloy rimmed, tubeless ready wheelset called, Zipp 30 Course.