Fpvracer R520 197mm 5 Inch / R420 171mm 4 Inch / R320 147mm 3 Inch FPV Racing Frame Kit for FPV RC Racing Drone

Note It only includes the Frame Kit Description Brand FpvracerItem Name R520 R420 R320 Frame KitR320Wheelbase 147mmFrame weight 36gCarbon plate thickness All in one board 4mmBottom plate thickness 4mmMounting Motor hole distance Φ 12mmM2Chamber spacing 14mmStack 20x20mmRecommendation Engine 15035 1406Propeller 3 inchesR420Wheelbase 171mmFrame weight 44gArm thickness 4mmBottom plate thickness 4mmMounting Motor hole distance Φ 12mmM2Chamber spacing 14mmStack 20x20mmRecommendation Motor 1507 1505Propeller 4 inchesR520Wheelbase 197mmFrame weight 61gArm thickness 5mmBottom plate thickness 4mmMounting Motor hole distance Φ 16mmM3Chamber spacing 14mmStack 20x20mmRecommendation Motor 2205 22038Propeller 5 inchesPackage Included Optional 1x R520 R420 R320 Frame Kit