Prusa i3 Rework - Y-idler 60mm / Reverse edition

Reprap Prusa i3 Rework - Y-idler 60mm:
Space between outer 608 bearing and idler inner face has been reduced by 3mm.
The wall of this inner face has been reduced by 1mm.
Increases Y freedom by 4mm.

Reprap Prusa i3 Rework - Y-idler Reverse edition:
Allows for either regular or reverse mounting Y-idler.
Reverse mounting increases Y freedom by approx. 35mm.

The Y-motor Reverse editions adds approx. another 44mm.
http://www.thingiverse.com/thing:647115

Fits 10mm threaded rods.