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"mountain drivetrains" Bicycle Rear Derailleurs

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Shimano Deore RD-M5130 Rear Derailleur - 10-Speed, Medium Cage, Black
Shimano Deore RD-M5130 Rear Derailleur - 10-Speed, Medium Cage, BlackShimano

Find your riding zone with the smooth and decisive shifting of the Shimano Deore M5130 10-speed Rear Derailleur for LINKGLIDE drivetrains. SHADOW+ technology … read more

your price $54.99

BuyBuyPART NUM 472338
SunRace M903 Rear Derailleur - 9-Speed, Short Cage, Black, Shimano Rear Direct Mount
SunRace M903 Rear Derailleur - 9-Speed, Short Cage, Black, Shimano Rear Direct Mount

The SunRace M9 Rear Derailleuris designed for 9-speed MTB drivetrains. Rear Derailleur Mount Type: Shimano Rear Direct Mount Rear Der/Shifter Compatibility: … read more

your price $39.99 + ships free

BuyBuyPART NUM 206997
SunRace M41 Rear Derailleur - 7-Speed, Long Cage, Black, Shimano Rear Direct Mount
SunRace M41 Rear Derailleur - 7-Speed, Long Cage, Black, Shimano Rear Direct Mount

The SunRace M4 Rear Derailleur is designed for 7 and 8-speed MTB drivetrains. Rear Derailleur Mount Type: Shimano Rear Direct Mount Rear Der/Shifter … read more

your price $13.86

BuyBuyPART NUM 253448
Shimano XT RD-M8100-GS Rear Derailleur - 12-Speed, Medium Cage, Black
Shimano XT RD-M8100-GS Rear Derailleur - 12-Speed, Medium Cage, BlackShimano

Deore XT RD-M8100 Rear Derailleur Rear Derailleur Mount Type: Shimano Rear Direct Mount, 10x1 Standard Rear Der/Shifter Compatibility: Shimano Mountain … read more

your price $121.99

BuyBuyPART NUM 718427
Shimano XT M8050-GS Di2 11 Speed Shadow Plus Rear Derailleur
Shimano XT M8050-GS Di2 11 Speed Shadow Plus Rear DerailleurShimano

Shimano XT RD-M8070 Di2 Rear Derailleurs Item Specifications Color: Black Largest Cog: 40 Chain Wrap Capacity: 33 Cage Length: Medium Drivetrain … read more

your price $299.99 + ships free

BuyBuyPART NUM 909495
Shimano Tourney TY500 6/7-Speed Rear DerailleurDirect-Attach
Shimano Tourney TY500 6/7-Speed Rear DerailleurDirect-AttachShimano

Shimano Tourney TY500 6/7-Speed Rear DerailleurDirect-Attach Item Specifications Color: Black Largest Cog: 34 Chain Wrap Capacity: 43 Cage Length: … read more

your price $15.00

BuyBuyPART NUM 544746
Shimano SLX M7000-GS 11 Speed Shadow Plus Rear Derailleur
Shimano SLX M7000-GS 11 Speed Shadow Plus Rear DerailleurShimano

Shimano SLX M7000-GS 11 Speed Shadow Plus Rear Derailleur Item Specifications Color: Black Largest Cog: 40 Chain Wrap Capacity: 41 Cage Length: … read more

your price $69.99

BuyBuyPART NUM 330499
Shimano Deore XT RD-M8130-SGS Rear Derailleur - 11-Speed, Long Cage, Black
Shimano Deore XT RD-M8130-SGS Rear Derailleur - 11-Speed, Long Cage, BlackShimano

The Shimano Deore XT M8130 LINKGLIDE 11-speed Rear Derailleur with SHADOW+ technology delivers smooth and decisive shifting. Roomy chain clearance and … read more

your price $121.99 + ships free

BuyBuyPART NUM 370512
Shimano Acera RD-M3020-SGS Rear Derailleur - 7/8 Speed, Long Cage, Black
Shimano Acera RD-M3020-SGS Rear Derailleur - 7/8 Speed, Long Cage, BlackShimano

The Shimano Acera RD-M3020 rear derailleur features Double Servo technology to provide smooth, precise shifting and helps you ride challenging terrain … read more

StarStarStarStarStar 4 of 5 ( 1 ) 4 of 5 stars ( 1 review )

your price $42.03

BuyBuyPART NUM 383038
microSHIFT M21 Rear Derailleur - 6,7 Speed, Short Cage, Dropout Claw Hanger, Black
microSHIFT M21 Rear Derailleur - 6,7 Speed, Short Cage, Dropout Claw Hanger, Black

M21 rear derailleurs are designed to work with 6- and 7-speed Shimano road and mountain shifters. Enjoy the wide variety of bikes you can get going again … read more

retail $12.99 your price $11.99

BuyBuyPART NUM 386717
microSHIFT M21 Rear Derailleur - 6,7 Speed, Short Cage, Black
microSHIFT M21 Rear Derailleur - 6,7 Speed, Short Cage, Black

M21 rear derailleurs are designed to work with 6- and 7-speed Shimano road and mountain shifters. Enjoy the wide variety of bikes you can get going again … read more

retail $12.99 your price $11.99

BuyBuyPART NUM 212630
microSHIFT M26 Rear Derailleur, 7/8/9-Speed, Long Cage, Shimano Compatible
microSHIFT M26 Rear Derailleur, 7/8/9-Speed, Long Cage, Shimano Compatible

M-series rear derailleurs are designed to work with 7, 8 ,9-speed Shimano-compatible mountain and road shifters. These legendary M26 rear derailleurs … read more

your price $13.99

BuyBuyPART NUM 675721
microSHIFT M26C Rear Derailleur - 7/8 Speed, Long Cage, for 13-34t Freewheel, Black
microSHIFT M26C Rear Derailleur - 7/8 Speed, Long Cage, for 13-34t Freewheel, Black

For bikes that use a freewheel instead of a cassette, the microSHIFT M26C is specifically designed to accommodate the 13t cog that is commonly found on … read more

retail $14.99 your price $13.99

BuyBuyPART NUM 742859
microSHIFT M26C Rear Derailleur - 7/8 Speed, Short Cage, for 13-34t Freewheel, Black
microSHIFT M26C Rear Derailleur - 7/8 Speed, Short Cage, for 13-34t Freewheel, Black

For bikes that use a freewheel instead of a cassette, the microSHIFT M26C is specifically designed to accommodate the 13t cog that is commonly found on … read more

retail $14.99 your price $13.99

BuyBuyPART NUM 576390
Shimano Alivio RD-M3100 Rear Derailleur - 9-Speed, Long Cage
Shimano Alivio RD-M3100 Rear Derailleur - 9-Speed, Long CageShimano

The Shimano Alivio RD-M3100 Rear Derailleur features Shadow RD technology to keep the derailleur safe from trail obstacles. Super low profile … read more

your price $43.99

BuyBuyPART NUM 450563
Shimano Tourney TY300 6/7-Speed Rear Derailleur with Frame Hanger
Shimano Tourney TY300 6/7-Speed Rear Derailleur with Frame HangerShimano

Shimano Tourney RD-TX75/TX55/TX35 Series Rear Derailleurs TX models come with Smart Cage which gives MegaRange compatibility with a shorter derailleur … read more

your price $13.90

BuyBuyPART NUM 206896
Shimano Tourney TY300 6/7-Speed Long Cage Rear Derailleur with Frame Hanger for BMX/Track frame
Shimano Tourney TY300 6/7-Speed Long Cage Rear Derailleur with Frame Hanger for BMX/Track frameShimano

Shimano Tourney RD-TY300, RD-TZ50 Rear Derailleurs TX models come with Smart Cage which gives MegaRange compatibility with a shorter derailleur … read more

your price $19.99

BuyBuyPART NUM 465326
microSHIFT MarvoLT M46 7/8/9-Speed Long Cage Rear Derailleur, Shimano Compatible
microSHIFT MarvoLT M46 7/8/9-Speed Long Cage Rear Derailleur, Shimano Compatible

M-series rear derailleurs are designed to work with 7, 8 ,9-speed Shimano-compatible mountain and road shifters. Marvo LT rear derailleurs are made in … read more

8% offretail $24.99 your price $22.99

BuyBuyPART NUM 763569
microSHIFT M21 Rear Derailleur, 6/7-Speed, Long Cage, Frame Hanger, Shimano Compatible
microSHIFT M21 Rear Derailleur, 6/7-Speed, Long Cage, Frame Hanger, Shimano Compatible

M21 rear derailleurs are designed to work with 6, 7, 8-speed Shimano road and mountain shifters. Enjoy the wide variety of bikes you can get going again … read more

retail $12.99 your price $11.99

BuyBuyPART NUM 479413
microSHIFT M21 Rear Derailleur, 6/7-Speed, Long Cage, Direct Attach, Shimano Compatible
microSHIFT M21 Rear Derailleur, 6/7-Speed, Long Cage, Direct Attach, Shimano Compatible

M21 rear derailleurs are designed to work with 6, 7, 8-speed Shimano road and mountain shifters. Enjoy the wide variety of bikes you can get going again … read more

StarStarStarStarStar 4 of 5 ( 1 ) 4 of 5 stars ( 1 review )

retail $12.99 your price $11.99

BuyBuyPART NUM 200040
Shimano

"Shimano practices good local citizenship, pursues continued access to those areas that are enjoyed by outdoor enthusiasts, and is committed to minimizing our impact on the environment."

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SRAM

"Incremental enhancements. Perpetual improvements. Revolutionary Innovation. When advancements are continuously made to every attribute of every component, the result is overall performance that is simply second to none. And to real cycling enthusiasts, there is nothing more gratifying then achieving the ultimate ride. And the best part is we just keep making it better. This is what SRAM is all about."

See all SRAM

We define color as the main color of the item. It may have accents or highlights in other colors.

These models are available for online purchasing and can be shipped directly to you.

The number of speeds should correspond to the number of cogs on the cassette.

Cage Length

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