Strong, lightweight and high-tech. The 3rd version of the Sunday Soundwave frame is the most advanced frame design that Sunday offers. It’s loaded with features like proven hollow dropouts, integrated chain tensioners, Wave down tube and top tube, cable channel guide, angled removable brake mounts, “Director” style wishbone, post-weld machining of the bottom bracket & headtube, and full 41-Thermal post weld heat-treating throughout. The V3 features a shorter chainstay (now 13.2″) and a taller headtube (now 5″).