Shimano 105 SC #1055 7 speed Group Set from 1989/1990 – Velosaloon.com
Shimano 105 (7-speed) Groupset from the 1990s – Velosaloon.com
YAD Shimano 7 Speed Groupset ST-EF500 3x7 Speed Shifters Set + FD-TY500 Front Derailleur + RD-TY300 Rear Derailleur Direct Mount : Amazon.sg: Sporting Goods