VINTAGE Shimano Altus LT Rear Derailleur mint condition | eBay
How To Rebuild a Shimano Altus LT Derailleur - YouTube
NEW Shimano Altus-LT #SL-AT22 clamp-on gear levers from the 1970s NOS – Velosaloon.com
SHIMANO ALTUS - LT BICYCLE HANGER TYPE SHORT OPEN CAGE 6 SPEED REAR DERAILLEUR | eBay
I just got this beautiful 1980's Schwinn Le tour. He has shimano Altus LT derailleurs and head post shifters. The best part is I got him for only $40 bucks. Next part
Shimano web site 2020 - exploded views from 1981 Shimano Altus LT GS (AT22)