Lapho kukhulunywa ngokusebenza kwezithuthuthu kanye nokunethezeka komgibeli, izisekeli zangemva kwemali zingakwenza umehluko omkhulu, futhi ingxenye eyodwa evame ukunganakwa yi-brake lever. Isithuthuthu se-back brake lever siyinto ethandwayo phakathi kwabathandi nabagibeli abangajwayelekile ngokufanayo, futhi ukuqonda izinzuzo zayo kungakusiza ukwenza izinqumo ezinolwazi ngebhayisikili lakho. Okokuqala futhi okuphambili, ngemuva kwemakethe