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10 Best Rear Derailleurs - Christmas 2025
Best Choice
1
SHIMANOSHIMANO,Black,ERDM3100SGS Alivio Alivio M3100 rear derailleur, 9-speed, Shadow design, SGS long cage
9.6
Exceptional
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
2
SHIMANOShimano Acera M3020 Sgs Rear Derailleur 8s
9.4
Excellent
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
3
SHIMANOShimano RD-TY300 Rear derailleur Black 6/7- way
Free Shipping
9.3
Excellent
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
4
SHIMANOSHIMANO Acera RD-M370 Altus SGS Rear Derailleur - Black, 9 Speed
Free Shipping
9.2
Excellent
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Value for Money
5
SHIMANOShimano 5569 6 and 7-Speed Tourney Derailleur - Black
9.1
Excellent
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
6
ENGWE MTBBike Rear Derailleur, 7/8/9,10,11 Speed Mountain Bike Rear Derailleur, 7/8/9/10 Speed Road Bike Rear Derailleur, Direct Mount Rears Derailleurs(Mountain Bike-7/8/9 speed)
Free Shipping
8.9
Very Good
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
7
Sram MTBSram RDPX4L Rear Derailleur, Black
8.7
Very Good
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
8
SHIMANOShimano Tourney TX RD TX800 7/8-Speed Rear Derailleur, Black 2016 Mountain Bike
Free Shipping
8.6
Very Good
Our Rating
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
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9
RainFlowwerRainFlowwer Bike Rear Derailleur 6/7 Speed RD-TY300 Direct Mount for Mountain Bicycle
Free Shipping
8.4
Good
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
10
SHIMANOSHIMANO Unisex Adult Tourney Tourney Ty500 6/7-speed Rear Derailleur - Black, SGS
8.3
Good
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
