ByShimano
GRX Rear Derailleur 1x11 (RD-RX812)
Shimano GRX mechanical rear derailleur for 1x11-speed gravel drivetrains. Long cage supports 11-40T and 11-42T cassettes. Shadow RD+ chain stabilizer with on/off switch.
$145MSRP · USD
Drivetrain · Rear Derailleurs
Image pending
SKU RD-RX812TypeRear Derailleurs
Disciplinegravel
Speeds11
Weight267 gManufacturer claimed
01 / About
The GRX Rear Derailleur 1x11 (RD-RX812).
Shimano's take on drivetrain.
Shimano GRX mechanical rear derailleur for 1x11-speed gravel drivetrains. Long cage supports 11-40T and 11-42T cassettes. Shadow RD+ chain stabilizer with on/off switch.
02 / Specifications
GRX Rear Derailleur 1x11 (RD-RX812) spec sheet.
Everything Shimano publishes for the GRX Rear Derailleur 1x11 (RD-RX812).
01Overview
4 fields
Type
Rear Derailleurs
Discipline
gravel
Brand
ShimanoExternal
SKU
RD-RX812Shimano part number
02Drivetrain
7 fields
Speeds
11
Actuation
mechanical
Subcategory
—
Power meter
—
Power meter type
—
Model line
GRX
Generation
RX810
03Pricing & availability
3 fields
Price
$145USD · MSRP
Availability
—
Weight
267 gManufacturer claimed
04Additional specs
5 fields
Max Cog
42
Min Cog
11
Cage Type
long
Compatible Cassettes
11-40T, 11-42T
Chain Stabilizer
Shadow RD+
03 / Reviews
From the cycling press.
6 reviews from 5 sources.
01Bike MagazineTested: Shimano GRX Gravel 1x12 Drivetrain, Wheels, and ComponentsJan 202402gearx.comGRX RD-RX812 Rear Derailleur - 11-Speed, Long Cage, Black, With Clutch, For 1x, 42t Low Sprocket Max—03thebackcountry.comShimano RD-RX812 GRX Rear Derailleur 11-SPEED 1x11—04gearx.comShimano - GRX RD-RX812 Rear Derailleur - 11-Speed, Long Cage, Black, W
– Outdoor Gear Exchange—05mantel.comShimano GRX RX812 11 Speed Rear Derailleur reviews - Mantel—06excelsports.comShimano GRX RD-RX812 1x11 Speed Rear Derailleur Excel Sports | Shop Online From Boulder Colorado—