would i have to...

[Z-King]

if i geared down only on the front on my z would i have to replace the chain and the back sprocket even though i only have abought 20hrs on them:confused: :confused: :confused: :confused: :confused: :: :confused: :confused: :

[L.Vegas400]

i think if you just go down one tooth it should be ok, just tighten'er up a bit.