Professional frames for speed roller skating.

Ultra lightweight plate in high grade aluminium alloy
King-pins in steel
Aluminium trucks with axles (7mm) in steel
Snap adjustment system of steering
17 degree double action truck
Threaded axle with self-locking nut system
Distance from plate (bottom) to axle (centre) 40mm
Adjustment tool kit
Set fixing screws and nuts

Frame weight 400 g. (14 size)