Shimano GRX RD-RX820 12-Speed Rear Derailleur – Direct Mount, Shadow Plus, 36T Max Road Bikes precise shifting across a wide

precise shifting across a wide gear range

The 2019 Open U

float range of 0 to 15 degrees

these pedals deliver a perfect balance of durability

Shimano GRX RD-RX820 12-Speed Rear Derailleur – Direct Mount, Shadow Plus, 36T Max Road Bikes precise shifting across a wideThe Shimano GRX RD RX820 12 Speed Rear Derailleur is built specifically for gravel riding, delivering smooth, quiet, and reliable shifting across rough and varied terrain. Designed for 1x or 2x GRX 12 speed setups, it features Shimanos Shadow RD+ clutch system, which stabilizes the chain to reduce slap and improve chain retention on bumpy surfaces. Its low profile design keeps it out of harms way, while the refined actuation ensures precise,