.Isiseko sendlela yokuchonga:
Kukho iintlobo ezimbini kuphela eziqhelekileyo zothumelo lwamakhonkco amakhulu kunye ne-sprockets enkulu yezithuthuthu, i-420 kunye ne-428. I-420 isetyenziswa ngokubanzi kwiimodeli ezindala kunye nokufuduka okuncinci, kwaye umzimba uncinci, njenge-70s yokuqala, i-90 kunye nezinye iimodeli ezindala.Iibhayisekile ezigobileyo, njl.njl. Uninzi lwezithuthuthu zanamhlanje zisebenzisa amatyathanga angama-428, afana neebhayisekile ezininzi kunye neebhayisekile ezintsha ezigobileyo.
Itsheyini ye-428 ngokucacileyo kwaye ibanzi kune-420 chain.Kukho ama-420 okanye ama-428 amanqaku kwikhonkco kunye ne-sprocket.Enye i-XXT (apho i-XX linani) imele inani lamazinyo e-sprocket.
Ixesha lokuposa: Oct-09-2023