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Description

GRX RD-RX812GRX 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 Cage GS Max Front Difference Single chainring only Maximum Cog 42T Minimum Cog 11T Primary Color Grey RD Capacity 31T RD Spring Type Shadow Plus RD Weight 267g Speed 11

Thicker axles

Flattop™ technology enables a narrower chain with quieter operation and increased strength and durability

as well as to hazards and doglegs

Compatible with 12 Speed

5mm Rim Material Aluminum Rim Model GRCX Skewers Included No Spoke Type J-Bend Valve Presta Wheel Diameter/ISO 700C / 622 Wheel Tire Type Tubeless Ready Wheel-Brake Comp

Race Proven

Extra grippy edges

which offers GPS-based pace guidance for a selected course or distance

The updated Forekaster is aimed squarely at modern short travel (100mm-130mm) trail bikes - aka the “downcountry” segment

3mm e-Bike approved No Link Type Missing Link Links 116 Primary Color Grey Speed 5/6

Unique features and design also provide significantly improved wear resistance on Eagle™ cassettes and rings

5'' Upper Cup 44mm

Exchange/Return Notes