The FLT4 utilizesthe strength of the Mega frame, the lightweight of the FLT3 frame, and the wheel protection of theHD H-Block. Comes stock with plastic h-blocks but can be used with our aluminum HD blocks. Squared-off bottom edges offer increase 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 8mm Sickle Bolts w/single tool design
• Aluminum Frame&Bearing Spacers included
• H-block mounts with 2 bolts at top of frame for a secure fit
• The set includes both left and right

All UFS system frames fit on all UFS system skate boots. No matter the sizing. The distance between the mounting bolts is always the same

The size of the frame does only vary in lenth.
Size S = 245mm from front to back axle, usually meant for shoe sizes below eu40

Size M = 255mm from front to back axle, usually meant for shoe sizes between eu41 and eu42

Size L = 268mm from front to back axle, usually meant for shoe sizes above eu43

Ground Control is an American brand best known for their Frames, but they also produce wheels and soft goods, Their riders are pro skaters like Martin Danning, Josh Glowicki, Nils Jansons.

More information about ground control can be found here:
https://www.gc-uprising.com

The frame is the bottom of a skate that holds the wheels. It is mounted to the boots with 2 or 3 bolts. There are a couple of different mounting types, Learn more about the ways to mount your frames here:
https://thisissoul.com/frame-mounting