Shimano GRX RD-RX812 Rear Derailleurs Road po-amplidware42-124 Fully recycled materials

Fully recycled materials

100% cotton singles face

Choose your pace

while the laid-back silhouette keeps you comfortable from morning to night

Your days of fussing with clips and buckles are behind you

Shimano GRX RD-RX812 Rear Derailleurs Road po-amplidware42-124 Fully recycled materialsGRX 11 speed rear derailleur for 1X cranks Adjustable chain stabilizer prevents chain slapping and drops Gravel tuned clutch tension can be toggled ON OFF to match the terrain Low sprocket: Max. 42T Min. 40T Top sprocket: 11T Attributes Max Front Difference Single chainring only Maximum Cog 42T Minimum Cog 11T Primary Color Grey Cage GS RD Capacity 31T RD Spring Type Shadow Plus RD Weight 267g Speed 11 Mount Standard