Replaced it with a Di2, it is working well!
Shimano 105 Shimano CS-HG700 105 11-Speed Road Bike Cassette - 11-34T
(Set of 2) Shimano 105 FC-5800 Chainrings (50t + 34t) 11s Chain Rings NEW Black
(Set of 2) Shimano 105 FC-R7000 (52 + 36t) Chainrings Chain Rings + Bolts BLACK
Shimano 105 R7000 34t & 50t Inner /Outer Chainring 2 x 11 Speed
Shimano 105 R7000 Rim Shifter Brake STI Dual Control Lever 2/11 Speed Road Bike
Shimano 105 FD-R7000-B (M/S) Front Derailleur 2 x 11-Speed Clamp Band Mount NEW
