Jerry's email is girotek@rcn.com. He's quite active on Facebook and does some amazing ESU smoke/sound/DCC conversions. Besides making gears!
He also has the small double-gear for the 2-8-0 and 2-6-0/4-4-0. See
http://www.largescalecentral.com/forums/topic/29767/a-different-spectrum-4-4-0-gear-problem/view/post_id/392637
He also has the small double-gear for the 2-8-0 and 2-6-0/4-4-0. See
http://www.largescalecentral.com/forums/topic/29767/a-different-spectrum-4-4-0-gear-problem/view/post_id/392637