Printerbot simple metal Y upgrate

Y-change for Simple metal its an adapter for https://www.thingiverse.com/thing:2023947
using this setup with a bowden will dramatically reduce the weight of the extruder (as seen of photos).
I also recommend moving the Y end stop to the back so you don't lose any Y length and i think that the Z upgrade (https://www.thingiverse.com/thing:2011148) is a god one as well and i use this for the bowden extruder (https://www.thingiverse.com/thing:927428).

For my adapter you need 10xM3 25mm screws a