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Best Bike Rear Dérailleurs of 2026
Best Choice
1
SHIMANOSHIMANO,ERDM5120SGS Deore Deore M5120 rear derailleur, 10/11-speed, Shadow+, SGS long cage, Black
9.9
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
AEYINO12 Speed Bike Rear Derailleur,46T-52T Clutch Compatible with SHIMANO M8100 | clutch stops chain slap on rough terrain. Long cage fits up to 40T-52T cassettes. Precision shifting under high torque.
9.7
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.
Value for Money
3
SHIMANOShimano RD-TX800 Tourney TX Rear Derailleur, Direct Mount, Silver
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.
4
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)
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.
5
SHIMANOShimano Tourney TX RD TX800 7/8-Speed Rear Derailleur, Black 2016 Mountain Bike
9.3
Excellent
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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6
SHIMANOShimano Sora 3500 Road Bike Rear Mech Derailleur 9 Speed, Black
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.
7
SHIMANOSHIMANO,Black,ERDM3100SGS Alivio Alivio M3100 rear derailleur, 9-speed, Shadow design, SGS long cage
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.
8
MEGHNAMeghna Tourney RD-TY300 6/7-Speed Rear Derailleur for Mountain Road Bike MTB Direct Mount
8.8
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.
9
SHIMANOShimano Unisex's RDTZ500GSB Bike Parts, Standard, One Size
11% Off
8.5
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
ChooeeChooee Mountain Bike Rear Derailleur 10 Speed For Shimano/Sram,Direct Mount Rear Derailleur for MTB
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.
