Product description：European design, modular structure; The wheel material is QT700-2; The wheels are equipped with ball-ink lubrication, which has a good protection effect on the track;The bearing seat is convenient to
European design, modular structure;
The wheel material is QT700-2;
The wheels are equipped with ball-ink lubrication, which has a good protection effect on the track;
The bearing seat is convenient to disassemble and assemble, and the wheel maintenance and replacement are very quick;
The wheel assembly form is simple, and the mute effect is good
