The most recent tool my father-in-law created for me is the flywheel holder.
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I asked him if he'd willing to make more and sell these if any Lammy owners needed one and he said he could do it for $20 (he lives in Portland, Oregon). Not so much to turn a profit, but more so help other restorers and wrenchers out.
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If you're in need, PM me on LCUSA.
He also made me a hub holding too from a free busted up 1/2 rim I got from Guillermo of Lambretta Works. Thx G.