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Black/Silver 9 Speed Medium Cage Bicycle Rear Derailleurs

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

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

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Showing 289 products:

SRAM Force 1 Rear Derailleur - 11 Speed, Long Cage, Gray
SRAM Force 1 Rear Derailleur - 11 Speed, Long Cage, GraySRAM

For use only with single chainring drivetrains Uses improved Type 3.0 roller clutch design Item Specifications Color: … read more

$29 offretail $243.00 your price $213.84 + ships free

BuyBuyPART NUM 311984
microSHIFT ADVENT Super Short Rear Derailleur - 9 Speed, Super Short Cage, Black, With Clutch
microSHIFT ADVENT Super Short Rear Derailleur - 9 Speed, Super Short Cage, Black, With Clutch

The Super Short version of our acclaimed microSHIFT ADVENT derailleur has all the same features as its larger counterpart, but with a small enough cage … read more

9% offretail $64.99 your price $58.99

BuyBuyPART NUM 594036
SRAM GX Eagle Rear Derailleur - 12-Speed, Long Cage, 52t Max, Lunar
SRAM GX Eagle Rear Derailleur - 12-Speed, Long Cage, 52t Max, LunarSRAM

The GX Eagle Rear Derailleur gets the job done with a thoughtfully designed cage architecture that improves chain management. Mounting system … read more

$16 offretail $135.00 your price $118.80 + ships free

BuyBuyPART NUM 734919
BOX Two Prime 9 Speed Derailleur, X-Wide Cage, Black
BOX Two Prime 9 Speed Derailleur, X-Wide Cage, Black

Prime 9 Technology for less derailleur travel and better chainline, less wear, and improved lifespan Box Two features: Tri-Pack limited slip … read more

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

your price $141.99 + ships free

BuyBuyPART NUM 571632
SRAM Force 1 Type 3.0 Medium Cage Rear Derailleur
SRAM Force 1 Type 3.0 Medium Cage Rear DerailleurSRAM

For use only with single chainring drivetrains Uses improved Type 3.0 roller clutch design Item Specifications Color: Gray Weight: … read more

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

$29 offretail $243.00 your price $213.84 + ships free

BuyBuyPART NUM 910659
Campagnolo Chorus Rear Derailleur - 12-Speed
Campagnolo Chorus Rear Derailleur - 12-SpeedCampagnolo

The Campagnolo Chorus 12-speed rear derailleur features 3D Embrace technology and 12-tooth pulley wheels making it suitable for all cassettes as the distance … read more

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

$19 offretail $178.95 your price $159.27 + ships free

BuyBuyPART NUM 660575
Shimano XT M8000-SGS 11-Speed Long Cage Shadow Plus Rear Derailleur Black
Shimano XT M8000-SGS 11-Speed Long Cage Shadow Plus Rear Derailleur BlackShimano

Shimano XT RD-M8000 Rear Derailleurs 46 tooth maximum rear cog for 1x11, 42 tooth maximum for 2x11 Externally adjustable clutch for easier … read more

your price $112.00 + ships free

BuyBuyPART NUM 115412
Campagnolo Centaur Rear Derailleur, Medium Cage, Black
Campagnolo Centaur Rear Derailleur, Medium Cage, BlackCampagnolo

Lightweight technopolymer upper and lower bodies reinforced with glass fiber for reduce weight and increased strength. Features the same shape of Super … read more

13% offretail $91.58 your price $80.00 + ships free

BuyBuyPART NUM 180044
Shimano Deore RD-M5120 Rear Derailleur - 10-11 Speed
Shimano Deore RD-M5120 Rear Derailleur - 10-11 SpeedShimano

Utilizing the SHIMANO SHADOW RD+ design, the SHIMANO DEORE M5120 rear derailleur delivers consistent MTB shifting performance over rough terrain. positions. … read more

your price $57.24 + ships free

BuyBuyPART NUM 246877
SRAM X01 DH Rear Derailleur - 7-Speed, Short Cage, Black, with Clutch, A3
SRAM X01 DH Rear Derailleur - 7-Speed, Short Cage, Black, with Clutch, A3SRAM

The 7-speed X01 DH rear derailleur makes shifting smooth and reliable no matter where you ride. Engineered to maintain consistent chain gap across all … read more

$32 offretail $271.00 your price $238.48 + ships free

BuyBuyPART NUM 171794
SRAM X5 10-speed Long Cage Rear Derailleur
SRAM X5 10-speed Long Cage Rear DerailleurSRAM

The SRAM X5 is a pure simplified performer from the trails to the street. 1:1 shifter-to-derailleur actuation ratio for precise light-action … read more

your price $50.00

BuyBuyPART NUM 658177
Sunrace RD-R91 Rear Derailleur, 9sp, Mid, SIL
Sunrace RD-R91 Rear Derailleur, 9sp, Mid, SIL

9-speed road rear derailleur High polished aluminum outer link Composite, aluminum and steel construction SHIMANO Equivalent … read more

your price $48.99 + ships free

BuyBuyPART NUM 675792
Sunrace RD-M10 Rear Derailleur Silver
Sunrace RD-M10 Rear Derailleur Silver

Friction derailleur Affordable replacement Speed: Friction Max: 28 Wrap: 35 Cage/Mount: SGS w/Hgr Ratio: 2to1 Wgt: 290g … read more

your price $9.99

BuyBuyPART NUM 419404
S-Ride M400 10 Speed Rear Derailleur, 2:1, Long Cage, Black
S-Ride M400 10 Speed Rear Derailleur, 2:1, Long Cage, Black

Alloy outer link with steel cage construction Extra long cage option for wide range cassette 2:1 actuation ratio, compatible with most … read more

your price $52.99

BuyBuyPART NUM 876229
Shimano Deore RD-M4120 Rear Derailleur - 10-11 Speed
Shimano Deore RD-M4120 Rear Derailleur - 10-11 SpeedShimano

Using a low profile SHIMANO SHADOW RD design, the SHIMANO DEORE M4120 derailleur is perfect for 2x10 and 2x11-speed MTB riding. Color: Black … read more

your price $50.40

BuyBuyPART NUM 327635
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
Shimano GRX RD-RX810 Rear Derailleur - 11-Speed, Long Cage, Black, With Clutch, For 1x and 2x
Shimano GRX RD-RX810 Rear Derailleur - 11-Speed, Long Cage, Black, With Clutch, For 1x and 2xShimano

The Shimano GRX 11-speed rear derailleur provides silent and uninterrupted rear shifting on rough terrain. An adjustable Shimano Shadow RD+ clutch prevents … read more

your price $111.99 + ships free

BuyBuyPART NUM 184561
SRAM X5 9 Speed Medium Cage Rear Derailleur Silver - OPEN BOX SPECIAL
SRAM X5 9 Speed Medium Cage Rear Derailleur Silver - OPEN BOX SPECIALSRAM

Affordable and reliable derailleur is great for repairs and upgrades. Item Specifications Drivetrain Speeds: 9 Cage Length: Medium … read more

10% offretail $44.00 your price $39.60 + ships free

BuyBuyPART NUM 637558
Shimano Ultegra RD-RX800-GS Rear Derailleur - 11 Speed, Medium Cage, Black, With Clutch
Shimano Ultegra RD-RX800-GS Rear Derailleur - 11 Speed, Medium Cage, Black, With ClutchShimano

The Ultegra RX Rear Derailleur brings Shimanos' chain stabilizing technology road cycling drivetrains, delivering smooth and precise shifting over technical … read more

your price $121.99 + ships free

BuyBuyPART NUM 598832
SRAM Red ETAP Rear Derailleur, 11 Speed
SRAM Red ETAP Rear Derailleur, 11 SpeedSRAM

Fits all 11-speed SRAM road cassettes up to 11-32t 2x and 1x compatible Updated version of the original SRAM RED eTap rear derailleur … read more

$83 offretail $698.00 your price $614.24 + ships free

BuyBuyPART NUM 517600
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."

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Campagnolo

"Campagnolo puts all of its professionalism and expertise into the manufacture of its components in Via della Chimica plant in Vicenza. All production takes place exclusively within Campagnolo's own plants, so that product development can be a fully integrated part of the process. Every step in the process, from design and engineering to testing and industrialisation, takes place within Campagnolo facilities. Campagnolo even develops its own tools, machinery and technology so that it can produce only the very best components and wheels for racing bicycles."

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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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Sunlite

"Every year bikes change, styles and trends evolve, old bikes are in need of repairs and new bikes are waiting for that personal touch. We provide the means to keep your bike on the road and fun to ride!"

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Full Speed Ahead

"We move forward with a desire to deliver the best possible components to our customers and a determined spirit of competition."

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Minoura

"Bicycle use has changed greatly in the last 10 years but we see a bright future in cycling and stay committed to developing products that everyone can understand. MINOURA will continue to enhance product development and planning to keep our 80 year promise of delivering great, well-built products."

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

These products are one of our best sellers.

In Store products are available to view in our showroom. In Store orders usually ship the same or next business day.

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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