![Shimano lance le groupe GRX en 12 vitesses pour le Gravel - 3bikes.fr votre magazine vélo et triathlon Shimano lance le groupe GRX en 12 vitesses pour le Gravel - 3bikes.fr votre magazine vélo et triathlon](https://www.3bikes.fr/wp-content/uploads/2023/08/new-shimano-grx-12-mechanical-6.jpg)
Shimano lance le groupe GRX en 12 vitesses pour le Gravel - 3bikes.fr votre magazine vélo et triathlon
![What is the current best rear derailleur solution for a 2x front and a 11-36 rear? Shimano GRX RD-810, GRX RD-812, or something else entirely? Details in comment. : r/bicycling What is the current best rear derailleur solution for a 2x front and a 11-36 rear? Shimano GRX RD-810, GRX RD-812, or something else entirely? Details in comment. : r/bicycling](https://preview.redd.it/aeh7lnb6ql651.jpg?auto=webp&s=6636815c193e7c59df92a8b6e0f187f61440462d)
What is the current best rear derailleur solution for a 2x front and a 11-36 rear? Shimano GRX RD-810, GRX RD-812, or something else entirely? Details in comment. : r/bicycling
![This morning my chain jumped off my top pulley and snapped my rear derailleur 😳. I want to replace it with s shimano GRX as I swap my wheels between a road This morning my chain jumped off my top pulley and snapped my rear derailleur 😳. I want to replace it with s shimano GRX as I swap my wheels between a road](https://preview.redd.it/s4abblelrfd61.jpg?auto=webp&s=5159fb6f886c239422c33969b834b2088a719bcf)