Publisher: Shimano

Document: Shimano Bicycle System Components (1987)

Date: December 1986

Derailleur brands: Shimano

Derailleurs: Shimano Light Action (L525 SS), Shimano Light Action (L525 GS), Shimano Light Action (L525 SGS), Shimano Light Action (L523 SS), Shimano Light Action (L523 GS), Shimano Light Action (L523 SGS), Shimano Light Action (L532 SS), Shimano Light Action (L532 GS), Shimano Light Action (L532 SGS)