Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 8 - Jul 13
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
GRX Di2 RD-RX817GRX Di2 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 318g Speed 11
- GRX Di2 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 | 318g |
| Speed | 11 |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 42 reviews
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Product Reviews
★★★★★ 5
Perfect for Prom
Size: Large, Color: Black-2 Pieces
Pants fit a little big but perfect for alterations needed! Great quality
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Reviewed in the United States on April 20, 2026
★★★★★ 5
True to size
Size: XX-Large, Color: Red-2 Pieces
Love this item true to fit
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026
★★★★★ 1
Not even close on the size
Size: 3X-Large, Color: White
Size is not even close to correct. Ordered a 3xl but the actual size was closer to a XL or even a large. Be wary on the sizes. They are not accurate
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Reviewed in the United States on April 13, 2026
★★★★★ 4
Nice suit but runs way too big
Size: Medium, Color: Blue-2 Pieces, Size: Medium, Color: Blue-2 Pieces
Medium fit like an extra large had to get tailored for my husband for our wedding kind of an inconvenience other than that it was a very nice suit and it looked great!!
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Reviewed in the United States on August 9, 2025
★★★★★ 5
Great prom suit
Size: X-Small, Color: Royal Blue-3pieces
The quality is awesome. Just needed a few alterations and my done is set for the prom
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Reviewed in the United States on April 10, 2026