Open back design

so it’s something everyone can work together to do and save lives

Plate: Marvel aluminum

Protection for Progression

Ground Control FLT4 Inline Frames Black Size:Medium Open back designThe FLT4 utilizes the strength of the Mega frame, the light weight of the FLT3 frame, and the wheel protection of the HD H Block. Comes stock with plastic h blocks but can be used with our aluminum HD blocks. Squared off bottom edges offer increased wheel protection and frame life. Designed to fit 60mm wheels max 46mm frame height 41mm frame width 9mm frame wall thickness 110mm middle wheel split 14mm between center of axle and bottom of frame wall GC