


Project 321 G3 Rear Hub- 12x157mm SuperBoost- Custom Hub Colors
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Project 321 G3 Rear Hub- 12x157mm SuperBoost- Custom Hub ColorsProject321's G3 12x157 Rear Hub Our approach with G3 was to build a hub that strikes the ideal balance between strength, weight, reliability, and efficiency. The result of this design philosophy is a robust and efficient hub set with instant, rock solid engagement. Engagement G3 hubs use the same 72 tooth drive ring and three step magnetically actuated pawls as our proven G2 hubs. To increase engagement without compromising reliability we added two
Quick Dispatch:
Your Project 321 G3 Rear Hub- 12x157mm SuperBoost- Custom Hub Colors orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your Project 321 G3 Rear Hub- 12x157mm SuperBoost- Custom Hub Colors ships.
Need Help?
Questions about Project 321 G3 Rear Hub- 12x157mm SuperBoost- Custom Hub Colors, sizing, or delivery? We're just an email away.
Live Shipping Estimates:
Enter your location at checkout to see available shipping methods and costs for Project 321 G3 Rear Hub- 12x157mm SuperBoost- Custom Hub Colors in your area.
Get Shipping Estimates
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
You may also like
4.1 ★★★★★
Based on 365 reviews
Sort
Product Reviews
★★★★★ 5
A great robovac!
Size: 11S MAX
This robovac is AWESOME! It has made my life so much easier. It's durable too.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
★★★★★ 5
Quality product
Size: 26 Pcs for Roborock Saros 10R
Very nice quality replacement parts. Worth the money, also fast shipping from the seller.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 3, 2026
★★★★★ 5
Great for Robodock
Size: 26 Pcs for Roborock Saros 10R
Works great for my Robodock.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 11, 2026
★★★★★ 5
great value
Size: 26 Pcs for Roborock Saros 10R
good value for money
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
★★★★★ 5
Great product
Size: 26 Pcs for Roborock Saros 10R
great
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 3, 2026