GRX RD-RX812 Rear Derailleur
Regular price $160.00 CAD$5 Canada-wide shipping on most items.
There’s nothing worse than a bad bike fit, except maybe an ill-fitting kit. More on that later…
Look, we get it, buying a bike online can be a hassle and we want to make it easy for you. Which is why we guarantee your bike will fit you straight out of the box when you purchase with our Virtual Bike Fit program.
All bikes purchased after a Virtual Bike Fit are guaranteed to fit.
Shipping Rates
Canada | USA | International | |
Most items |
$5 |
$25 |
$35 |
Oversized** |
$40 |
$75 |
|
Bicycles* |
$95 |
$125 |
|
Trainer Bikes and Sale Bicycles* |
$200 |
$250 |
*Multiple items in each category incur a charge per item.
**Oversized items include wheels, trainers, work stands, car racks, and various other items.
Please note: Trainer Bikes are shipped and delivered on a pallet.
Full shipping & return details here.
With an integrated chain stabilizer mechanism, the SHIMANO GRX derailleur provides a quieter experience and shifting security and precision on mixed terrain.
For rides on smooth surfaces, the derailleur features and ON/OFF switch for the chain tensioner. The RD-RX812 rear derailleur is compatible with mtb cassettes with a 42T low sprocket max.
Specifications
Average weight | 267 g |
---|---|
B-Axle_Hollow axle | _ |
Cable adjuster | _ |
Compatible chain | HG-EV 11-speed/HG-X11 |
Direct attachment (Conventional) | _ |
Fluoric coated link bushings | 4 |
Low sprocket_Max. | 42T |
Low sprocket_Min. | 40T |
Pulley_G pulley bearing | _ |
Pulley_Sunken type pulley bolt | _ |
Pulley_Teeth | 11T |
Pulley_T pulley bearing | _ |
Rear speeds | 11 |
Top-Normal Spring Type | SHIMANO SHADOW RD+ |
Top sprocket_Max. | 11T |
Top sprocket_Min. | 11T |
Total capacity | 31T |