Transmission Pro's/Con's..........(E-Revo)

[jnev]

Originally Posted by BrianG

The only weak spot I've seen is the little pins that hold the gears to the shafts inside. But a little modding and the use of Jato pins instead fixed that and haven't had issues since.

I was trying to do this, but I realized that the drill bits I have are not hard enough to drill through it... Are there any hardened drill bits that you would recommend for drilling through the shaft(s)?