In stock, ready to ship. Please review compatibility matrix (in product photos) before purchasing.

The R.I.D.G.A. replaces the following drive train items:

• Main shaft;
• Main gear;
• Set screw;
• Primary drive gear.
• 2x 4x8x3.0 mm ball bearings

Be aware the primary drive gear is reversed :
not compatible with the Bondtech BMG extruder

We recommend using 4x8x3.0 mm ball bearings (NOW INCLUDED).