Be careful about compatibility when choosing Shimano TIAGRA components | cyclabo
Nas Cycling - Hi, Here's the list of all compatible shifters & RD combo for dropbar wide range (40t to 52t) gearing setup. This is base on the compatibility chart and known
Shimano chain compatibility, Sports Equipment, Bicycles & Parts, Parts & Accessories on Carousell
Brake Pad Compatibility Chart – Juiced Bikes
brakes - How to interpret Shimano compatibility chart? - Bicycles Stack Exchange