Backpedaling on highest gear (11t) causes chain to pop up/out off at the front top part of the smallest cog. The bike and all components are very new and stock. This is a 1-by Shimano GRX Drivetrain. Any way to fix this or optimize the drivetrain?
Rear Derailleur: Shimano GRX RX812 GS Cassette: Shimano SLX M7000 11-42 11s Crank: Shimano GRX RX600 40T Chain: Shimano HG701 11-speed