b4 which pinion to use with 6.5 brushless..

[discountbedsbelfast]

hi iam looking to buy a pinion or 2 for my b4 but which make fits and wot size would i use??? thanks....

[MHeadling]

I would say a 20-21 would do it on a standard spur

[discountbedsbelfast]

ok but which make do i buy???

[sparrow.2]

I've used RW for years and they are tough as nails!

[discountbedsbelfast]

wot dp do i use

[Welshy40]

23 is what i use with the standard kit spur