I want to replace my old -but still good- 52/42 Shimano 105 crank with a 50/34 Shimano Sora (cheap), because i need an easier gear.
is it worth it?
Will it effect the bike speed/performance?
The 50/34 Shimano Sora i want to buy :
https://www.decathlon.es/es/p/pedali...937?mc=8511779
My bike: