knowledge of roller skate frame

Roller skating frame is generally fixed on the upper shoe with inner hexagon nails, also directly riveted in the upper shoe. There is a hole in the lower part of the nail through the fixed wheel and bearing position. Most skating frame use single side piercing to fix bearings and wheels, so one side is a large hole, the other side is a small hole with threads. Should be paid attention to distinguish the direction when piercing.

Different roller skates with different frames. flat shoes mostly with V frame to lower the center of gravity. The front and rear nail holes of the banana rack are slightly on the top, so that the wheels of the same size can be mounted on the frame to have the effect of banana wheel; The speed skating frame is usually very tall because of the large diameter wheel it has to carry, and at the same time, it is very slim for weight reduction. The extreme skating frame is like a board, because the extreme roller skates generate a lot of impact, and the frame had to be designed to be stronger, with a concave groove in the middle for the bar. Urban shoes are usually fitted with a brake pad behind a frame for beginners to use.