Originally Posted by
preventec47
Case in point, I have a 17 year old tandem with one shifter ( my 3 speed shifter ) wont work and it is a 2002 Shimano 105
model. It is a 3 speed with 28-42-54 front ring gears and has the integrated brake lever.
Once a component has reached voting age, I'm pretty satisfied with its lifespan.