Shimano GRX RD-RX820 Rear Derailleur – 12-Speed, Direct Mount, One Spec, Shadow Plus Design, 36t Max Low
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$145.00
The Shimano RD-RX820 rear derailleur is compatible with 11-34t and 11-36t 12-speed cassettes, providing a wide gear range so you can spin a comfortable cadence no matter the terrain type. This rear derailleur also features an integrated chain stabilizer that delivers quieter shifting and more secure chain management during rough rides. The chain tensioner has an ON/OFF switch for outings on smooth surfaces.
Description
The Shimano RD-RX820 rear derailleur is compatible with 11-34t and 11-36t 12-speed cassettes, providing a wide gear range so you can spin a comfortable cadence no matter the terrain type. This rear derailleur also features an integrated chain stabilizer that delivers quieter shifting and more secure chain management during rough rides. The chain tensioner has an ON/OFF switch for outings on smooth surfaces.
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Additional information
Largest Cog | 36 |
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Rear Der/Shifter Compatibility | Shimano Road |
Rear Derailleur Mount Type | 10×1 Standard |
Drivetrain Speeds | 12 |
Weight | 270 |
Chain Wrap Capacity (teeth) | 42 |
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- Internally Geared Hub Part 80
- Load Bar/Tower Set 9
- Roof Rack Accessory 16
- Repair Stands 32
- Disc Rotor Adaptor 8
- Pedal Washer 8
- Thread Repair Kits 5
- Kid 5
- Cartridge Bearing 115
- Peg Sleeve 15
- Knickers 10
- Casual Short 5
- Mountain Frame 53
- Cargo Carrier 5
- Disc Brake Fluid 5
- Shifter Battery Charger 8
- Remote Upgrade Kits 8
- Hydraulic Brake Lever Part 218
- Load Bar 5
- Coffee 5
- Brake Shoe and Pad 94
- Headlights 57
- Luggage/Duffel Bag 8
- Trailer Frame Parts 16
- Cable Fixing Assembly 10
- Pedal Wrench 5
- Disc Brake & Lever 4
- Spindle 17
- BMX Crankset 62
- Remote Shifter 11
- Disc Brake Hose Kit 98
- One-Piece Crankset 5
- Spoke Tensiometer 5
- Rigid Mountain Fork 21
- Light Part 59
- Top Cap 11
- Cyclocross Bike 18
- Shifter 5
- Rack Accessories 9
- U-Brake Part 7
- Battery Charger Cable 6
- Helmet Parts and Accessories 5
- Bracket/Accessory 25
- Travel / Shipping Cases 8
- Bag Part 25
- Chainring 6
- Polish 12
- Lumbar/Fanny Pack 14
- Other Trailer Parts 20
- Phone Charger 5
- Pedal Small Part 111
- Recovery 5
- Compression Bottom 5
- Swim Wear 5
- Folding Lock 28
- Brake Pad and Shoe Part 14
- Belt Drive Ring 15
- Branded Sign/Banner 11
- Track Frames 5
- Trunk Rack Accessory 6
- Air Springs & Parts 146
- T-Shirt 5
- Roof Rack Bike Carrier 12
- Hitch Rack Part 5
- Road Shifter Part 95
- Rear Wiring Kit 5
- Rear Hub 225
- Child Carrier Trailer 16
- Aero Bar Extensions 16
- Computer Mount Kit/Adapter 115
- Road Frames 21
- BMX Peg 19
- Messenger Bag 5
- Brake Housing 36
- Mustache Bar 5
- Tire Liners 39
- Brake Lever 5
- Crown Race 25
- Disc Brake Calipers 120
- Dropper Seatpost Remote 57
- Linear Pull Brake Noodle 16
- Cadence/Speed Sensor 17
- Training Wheel 10
- Rear Shock Service Kits 54
- Bar Tape 171
- Reflective Stick-on 5
- Bars 49
- Direct Mount Chainrings 343
- Roof Rack Wheel Fork 9
- Roller Brake 9
- Disc Golf 5
- Cleat Cover 8
- Chains 196
- Fixtures & Accessories 3
- Bag & Tool Kit 2
- Hitch Rack Accessory 32
- Road Bike 26
- Track Bike 10
- Brake 5
- Bicycle Mounted Rack Part 51
- Other Brake Lever Part 28
- Compression Plug 15
- Headset Tool 5
- Dropout 43
- Wheel/Frame Lock 19
- Drop Bar Stoker Lever 5
- Magnet 7
- Container 5
- Cable Cutter 5
- Bottom 5
- Water Bottle Cage Hardware 36
- Cyclocross/Hybrid Fork 40
- Gloves 486
- Fairing 5
- Electronic Shifter Extra Part 27
- Disc Golf Display 5
- Van/Truck Bed Rack 12
- Integrated Handlebar/Aero Bar 7
- Tubeless Valves 139
- Spoke Nipple 35
- Road Caliper Brakes 60
- Spoke Kit 20
- Derailleur Hanger Hardware 8
- Derailleur 5
- Body Cleanser/Hygiene 6
- Water Bottle Part and Accessory 10
- Grease 43
- Axle Nut and Bolt 19
- Jackets 111
- Assembly Compound 22
- Linear Pull Brake Small Part 7
- Heart Rate Straps and Accessories 11
- Power Meter 5
- Tubeless Sealant 55
- Ebike Crankset 92
- Saddle Care and Part 7
- Cyclocross Frame 24
- Clip-On Aero Bar 19
- Ski Carrier 10
- BMX Caliper Brake Sets 5
- Pulley Assembly 69
- Miscellaneous Rear Derailleur Part 90
- Internally Geared Hub 22
- Brake Lever Hood 31
- Crank Part 50
- Front Derailleur 89
- All-Road Frame 39
- Washer 10
- Drum Brake Part 5
- Anti-Fog 5
- Headlight & Taillight Set 33
- Detanglers 19
- Bolt 26
- Hub Set 5
- Seatpost Part 28
- Cable Stop and Guides 12
- EPS Charger 5
- Bulk Wax 5
- Miscellaneous Spoke Tool 5
- Front QR Skewer 12
- Y-Wrench 5
- Headset Stack Spacer 65
- Front Hub 121
- Watersport Carrier 5
- TT/Aero Brake/Shift Lever 5
- Cage Assembly 57
- Axle Set 29
- Dropper Seatpost 221
- Taillight 67
- Pillow 5
- Headset Upper 48
- Sunglasses 23
- Nut 8
- Belt Drive Belt 19
- First Aid Kit 5
- Entrees 5
- Steerer Extender 5
- Quick Release Skewer Pair 12
- Rear Shock Mount Kit 183
- Leg Bands 8
- Drop Bar Inline Levers 9
- Interface Unit 5
- Kit-In-A-Box Road Group 8
- Tubeless System Enhancements 44
- Lower Leg Assembly 27
- Tubular Adhesive 9
- Saddle 15
- Left Crank Arm 63
- Bike Protector 7
- Thru Axle Trailer Hitch Adaptor 44
- Front Derailleur Adaptor 19
- Stem Small Part 29
- Trailers 16
- Wheel Bag 6
- Hammock 5
- Dropper Seatpost Part 231
- Retail Store Fixture and Accessory 6
- Beverage Essentials 9
- Wound and Skin Care 5
- Decarolis 27
- Anti Chafe 26
- Stem Column Adaptor 9
- Trainer Accessories 25
- Service Kit 99
- Running Pant 5
- U-Brakes 12
- Power Unit 5
- Cookware 5
- Rear Mount Rack 42
- Dry Bag/Stuff Sack 5
- Backpack 21
- Seatposts 121
- Stems 489
- Travel / Shipping Case Part 5
- Strollers 5
- Pulley Bolt 11
- Headset Top Cap 25
- Child Carrier 20
- Tool Wrap 27
- TT/Aero Lever Pair 8
- Chair 5
- Chainstay/Frame Protection 123
- Bleed Kit 5
- Dresses and Skirts 5
- Foot Care 5
- BMX Bikes 5
- Other Rack 21
- Front Custom Wheel 5
- Trainer Part 35
- Thru Axle 124
- Running Tight 5
- Linear Pull Brake Set 13
- Extra Parts 9
- Safety Light 6
- Woman 5
- Tubeless Conversion Kits 12
- Van/Truck Bed Rack Part 6
- Ebike Lock 29
- Spoke 5
- Shifter Battery 8
- Trailer Stroller/Ski Kits 8
- Cable Anchor Assembly 15
- Cassettes 282
- Gear Maintenance 5
- Rim Part 36
- Insect Bite Relief and Repellent 5
- Bottom Bracket 5
- Pocket Knives and Multi-tool 5
- Disc Rotor Parts and Lockrings 50
- Apron 5
- Insect Net 5
- Bottle Cage Storage 13
- BMX Hub Guard 29
- Wear Indicator 5
- Bell 74
- First Responder Assistance 5
- Rack Service Part 10
- Cantilever Brake Set 5
- Junction Box 15
- Bianchi 96
- Tubeless Tape 76
- Load Bar Tower 5
- Small Part 67
- Mountain Bike 42
- Freehub Body 142
- Trailer Wheels and Axle Parts 42
- Trailer Covers/Fabric Parts 20
- Cable Adjustment Assembly 9
- Seatpost Clamp 124
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