This Beta75X frame is customed for 75mm 2S whoop drone.
Material: Clear plastic
Diagonal motor to motor distance: 75mm
Motor mounting hole: only for BETAFPV 1103 motors
FC mounting hole: fully compatible with whoop style FC board mounting pattern, 26mm x 26mm
Battery slot size: 11.5x16mm, for BETAFPV 300mAh battery