Zipp 303 XPLR SW Wheelset – What is it ... The main difference is a non-dimpled carbon rim (similar to the 303 Firecrest and 303S), and the 303 XPLR S receives a lesser but still quality ...

But the bike tested here is the top spec SRAM Red eTap model, fitted with simply sensational ZIPP 303 Firecrest Carbon rims, a super aero LEVEL 5 carbon integrated cockpit system and SRAM ...