Shimano GRX Di2 RD-RX827-SGS 1x12 Speed Rear Derailleur
Wireless Gravel Shifting Built for Range & Resilience
- Fully Wireless Shifting
- Robust Design
- RD Protection Function
Shimano GRX Di2 RD-RX827-SGS 1x12 Speed Rear Derailleur is backordered and will ship as soon as it is back in stock.
Pairs well with
Shimano GRX Di2 RD-RX827-SGS 1x12 Speed Rear Derailleur is backordered and will ship as soon as it is back in stock.
The Shimano GRX Di2 RD-RX827 rear derailleur is engineered for riders who push deep into rough gravel and mixed terrain. Designed for 1x12-speed setups, it delivers fast, reliable electronic shifting with the strength needed for real-world riding. This is GRX performance without compromise.
Wide-Range 1x12 Compatibility: Paired with a 10ā51T cassette, the RD-RX827 offers massive range for steep climbs and fast gravel sections. It supports both long adventures and race-paced efforts with equal confidence. Riders get flexibility without sacrificing shift speed.
Automatic Impact Recovery: Built-in automatic impact recovery protects the derailleur from hard trail strikes. The impact-deflecting shape helps it absorb hits and reset instantly. Even after rough encounters, shifting remains precise and consistent.
Shadow ES Stability and Durability: Shimano Shadow ES design refines chain stability with a slimmer and stronger profile. Solid pulley construction improves durability in dusty, rocky conditions. The result is quiet, controlled drivetrain performance on unpredictable surfaces.
Fully wireless Di2 shifting removes external wiring and reduces clutter. Itās designed specifically to handle the vibrations and abuse of gravel riding.
Specifications
Specifications
| Model No | RD-RX827-SGS |
|---|---|
| Series | GRX |
| Rear Speeds | 12 |
| Mount Type | Direct Attachment (Conventional) |
| Max. Front Difference | 0T |
| Total Capacity | 41T |
| Low Sprocket|Max (T) | 51 |
| Low Sprocket|Min (T) | 51 |
| Top Sprocket|Max (T) | 10 |
| Top Sprocket|Min (T) | 10 |
| Fluoric Coated Link Bushings | TBD |
| Pulley|Guide Pulley Bearing | Sealed Bearing |
| Pulley|Tension Pulley Bearing | Sealed Bearing |
| Pulley|Teeth | 13T |
| Pulley|Sunken Type Pulley Screw | TBD |
| B-Axle|Hollow Axle | TBD |
| B-Axle 2|Hollow Axle | TBD |
| Firmware Update by E-Tube Project | Yes |
|---|---|
| SD50 Port (Pcs) | 0 |
| SD300 Port (Pcs) | 0 |
| SD50 Connector (Pcs) | 0 |
| SD300 Connector (Pcs) | 0 |
| LED for System Status | Yes |
| Di2 Shifting | Yes |
| Bluetooth LE Custom|Adjust Mode Information: Yes | |
| Bluetooth LE Custom|Di2 Battery Level | Yes |
| Bluetooth LE Custom|Gear Position | Yes |
| Bluetooth LE Custom|Shimano E-Bike Systems Data Items: Yes | |
| Bluetooth LE Custom|Compatible with E-Tube Ride: Yes | |
| Bluetooth LE Custom|Compatible with E-Tube Project: Yes | |
| ANT Private|Adjust Mode Information | Yes |
| ANT Private|Di2 Battery Level | Yes |
| ANT Private|Gear Position | Yes |
| ANT Private|Shimano E-Bike Systems Data Items: Yes | |
Features
Features
Warranty and support
Warranty and support
Shimano Bicycle Components Warranty:Ā Shimano warrants to the original owner that Shimano-branded bicycle components, including STEPS Drive Units and Wheels, are free from defects in materials and workmanship for a period of 2 years. DURA-ACE and XTR components, including DURA-ACE and XTR wheels, are covered for 3 years from the date of original purchase.
Shimano Footwear and Soft Goods Warranty:Ā Shimano footwear and soft goods are covered for 1 year against defects in materials and workmanship.
Lazer Products Warranty:Ā Lazer products are warranted against defects in materials and workmanship for 1 year from the date of purchase.
PRO Products Warranty:Ā PRO branded products are warranted for 2 years against defects in materials and workmanship under normal conditions. Additionally, handlebars, stems, and seat posts from the model year 2017 onwards are covered for 10 years from the date of original purchase.
Wheel Warranty:Ā Shimano warrants all wheels to be free from defects in materials and workmanship. DURA-ACE and XTR wheels are covered for 3 years, while all other wheels are covered for 2 years. Normal wear and tear parts such as bearings, spokes, and braking surfaces are not covered under warranty.
Exclusions:Ā This warranty does not cover:
- Products modified, poorly maintained, or used improperly.
- Damage resulting from accidents, abuse, or improper assembly.
- Wear and tear parts such as bearings, seals, free hubs, and decals.
- Damage due to unauthorized repairs or modifications.
- Cosmetic damage, including deterioration of the surface finish or appearance.
For any warranty claims, please contact us directly, and we will assist you with the process.
Questions after delivery? Ask TBA Guide or WhatsApp us.
Shipping and returns
Shipping and returns
We ship across India. Shipping is free on orders above ā¹2,000 and ā¹99 below that. Cash on delivery is available on orders up to ā¹20,000, with a COD charge that depends on the order value. For a delivery estimate, enter your pincode in the box above the add-to-cart button: it shows the courier's own estimate for your address, not a promised date. If a parcel is held up we chase the courier until it is delivered. Full shipping policy
Most Shimano products take a little longer to ship.
Returns can be started within 7 days of delivery on unused items in their original condition with all tags and packaging. Apparel, helmets, gloves and similar items are returnable; wetsuits and products discounted by more than 5% are not. Compatibility questions are not grounds for a return unless our listing was wrong, so ask us before you order if you are unsure. Return shipping is arranged by you; on an accepted return you can choose an exchange, store credit or a refund after shipping and transaction charges. Orders can be cancelled only until they are processed. Full return and refund policy
- Free shipping over ā¹2,000Delivered across India
- 100% genuineAuthorised dealer, manufacturer warranty
- Cash on deliveryOn orders up to ā¹20,000
- Secure checkoutUPI, cards and net banking
