Icyitegererezo cyingirakamaro kijyanye nisahani yo kugaburira inkoko hamwe nibiryo birwanya skid na anti-planing, kandi uruziga ruzengurutse rutunganijwe hepfo.Ubu bwoko bwo gufungura ibiryo byoroshye gukoresha, kandi ingaruka zo kurwanya anti-skid na anti-planing ni nziza cyane, zishobora kubuza inkoko kunyerera kandi inkoko zitegura ibiryo hasi, bigatera imyanda y'ibiryo cyangwa gufata ibiryo byumye. hasi no gutera indwara.Diameter 400mm.Ibiro bigera kuri 0.32kg.