GL30
ATD590
GRAVEL/TOURINGTECHNOLOGY
700C, 622X21, 558g ERD:579.6mm 650B, 584X21, 551g ERD:541.6mm Pin Joint Black / TRS
ATD500
GRAVEL/TOURING, ROADFEATURES
If you need the performance of the AT550 but need it to be lightweight and wide, the ATD500 is perfect.TECHNOLOGY
700C, 622X19, 500g ERD: 590.2mm Pin Joint Powder Coating Black / TRS 
