Inside of the mnt reform 2 with the battery boards and trackball assembly removed. https://tooting.ch/system/media_attachments/files/109/566/260/248/755/620/original/a99ac0b8bcec5f8d.jpg
Installed the new protected batrery boards and the new track ball cup with bearings into my @mntmn reform 2 tonight.The trackball cup is really nice, a definite improvement.The battery boards are straight up a necessity, glad we got those.