Shimano GRX 810 11-Speed Rear Derailleur

Shimano GRX 810 11-Speed Rear Derailleur Part of a new range of components that bring reliable; smooth gear shifting to your gravel and adventure riding; the GRX 810 Mechanical 11-Speed Rear Derailleur has been engineered to deliver crisp; uninterrupted shifting regardless of the road surface. An innovative adjustable stabiliser keeps the chain tight so that chain slap is eliminated; leaving your drivetrain quiet and predictable. Pair the derailleur with the current road Dual Control Levers to experience the same silky upgrade that’s perfect if your local training roads are a bit rougher then preferred.