Anh
idler
idler gear
reverse gear
tumbler gear
tumbling gear
Đức
Zwischenrad
Pháp
parasite
roue parasite
parasite,roue parasite /ENG-MECHANICAL/
[DE] Zwischenrad
[EN] idler; idler gear
[FR] parasite; roue parasite
[EN] reverse gear; tumbler gear; tumbling gear