Tension & Traction Gasi Spring, aya mayunitsi anoshanda akananga kwakatarisana nekumanikidza gasi zvitubu.Kukwirisa zvipingamupinyi kazhinji hazvibvumiri kushandiswa kwezvitubu zvekumanikidza;kureva, magonhi nemapaneru ekupinda akadzikwa akachinjika kuzasi uye chero rudzi rwechivharo kana chivharo chinofanira kudhonzwa kuvhurika kana kudhonzwa kuvharika.Tension gasi zvitubu zvakare anowanzo shanda sema tensioner pamakanika magungano uye mabhandi madhiraivha.