Lowest Price Medium- Cage Black Bicycle Rear Derailleurs
We define color as the main color of the item. It may have accents or highlights in other colors.
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Showing 60 products:
Sunrace RD-M37 Rear Derailleur, 7sp, Mid, BLK 
BuyPART NUM 490339
6/7-speed MTB rear derailleur Engineered polymer and steel construction Direct mount with optional hanger included SHIMANO Equivalent … read more
Sunrace RDM37.SDB0.0S4.BXyour price $18.59
BuyPART NUM 490339 
microSHIFT Acolyte Rear Derailleur - 8 Speed, Medium Cage BuyPART NUM 331537
Not everyone needs the added chain retention provided by our innovative SpringLock system. For those riders, we offer a non-clutch version of our Acolyte … read more
your price $27.99
BuyPART NUM 331537 
microSHIFT R9 Rear Derailleur, 9-Speed, Medium Cage, 34T Max, Shimano Compatible, Black BuyPART NUM 299189
R-series rear derailleurs are designed to work with 7, 8 ,9, and 10-speed Shimano-compatible road shifters. These R9 rear derailleurs combine the benefits … read more
7% offretail $29.99 your price $27.99
BuyPART NUM 299189 
microSHIFT Acolyte Rear Derailleur - 8 Speed, Medium Cage, With SpringLock Chain Retention
5 of 5
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5 of 5 stars
( 1 review )
Info
The heart of the Acolyte derailleur is our innovative SpringLock system. By pairing a customized linear rate high tension spring and a dual stage activation … read more
5 of 5
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5 of 5 stars
( 1 review )
popular8% offretail $36.99 your price $33.99
Info 
Sunrace RD-M83 Rear Derailleur, 8/9sp, Mid, BLK BuyPART NUM 393477
Steel cage rear derailleur for 8/9 speed applications Alloy bracket with composite plate body Mid length, compatible with ride range … read more
Ships Freeyour price $38.99 + ships free
BuyPART NUM 393477 
microSHIFT Sword Black Rear Derailleur - 9-Speed, Medium Cage, Gray, Compatible with Sword Black 1x, Black BuyPART NUM 287344
The Sword Black wide range 1x rear derailleur is compatible with both Sword and Sword Black shifters, making it easy to upgrade or mix and match. With … read more
9% offretail $42.99 your price $38.99
BuyPART NUM 287344 
microSHIFT R10 Rear Derailleur - 10-Speed, Medium Cage, Shimano Road Compatible, Black
5 of 5
( 1 )
5 of 5 stars
( 1 review )
BuyPART NUM 429069
microSHIFT R10 rear derailleurs feature forged and CNC machined construction that pairs durability with a quality finish. This lightweight and lightweight … read more
5 of 5
( 1 )
5 of 5 stars
( 1 review )
20% offretail $49.99 your price $39.99 + ships free
BuyPART NUM 429069 
microSHIFT ADVENT Rear Derailleur - 9 Speed, Medium Cage, Black BuyPART NUM 887207
Designed with the rider in mind, the ADVENT rear derailleur packs trail-ready features into an attainable wide range drivetrain system. The derailleur … read more
11% offretail $44.99 your price $39.99 + ships free
BuyPART NUM 887207 
Shimano CUES RD-U4020-SGS Rear Derailleur - 9-Speed, Shadow Design, Direct Attach, Medium Cage, Black
Info
Make cycling an essential part of your fitness lifestyle with the Shimano CUES RD-U4020 Shadow 2x9-speed rear derailleur. Designed for daily riding dependability … read more
your price $42.99
Info 
Shimano Sora R3000-GS 9-Speed Medium Cage Rear Derailleur Black BuyPART NUM 452686
Shimano Sora R3000-GS 9-Speed Medium Cage Rear Derailleur Black Item Specifications Color: Black Largest Cog: 34 Chain Wrap Capacity: 43 Cage Length: … read more
your price $43.90 + ships free
BuyPART NUM 452686 
SRAM X.5 9-Speed Medium Cage Rear Derailleur
BuyPART NUM 696453
The SRAM X.5 is a pure simplified performer from the trails to the street. Compatible with 7-, 8-, and 9-speed systems 1:1 shifter-to-derailleur actuation … read more
10% offretail $51.00 your price $45.90 + ships free
BuyPART NUM 696453 
SRAM X5 10-Speed Medium Cage Rear Derailleur BuyPART NUM 123044
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
In Store10% offretail $53.00 your price $47.70 + ships free
BuyPART NUM 123044 
Shimano Tiagra 4700-GS 10-Speed Medium Cage Rear Derailleur BuyPART NUM 954813
Shimano Tiagra RD-4703 Rear Derailleurs Wide link design increases rigidity 11 tooth pulleys for reduced pulley wear and chain noise … read more
your price $48.99 + ships free
BuyPART NUM 954813 
Sunrace RDM900 Mid Cage 9sp Rear Derailleur, Black BuyPART NUM 506973
Adjustable chain stabilizer Alloy cage and links Max rear sprocket is 50t with 1X setup & 46t with 2X 9 speed compatible … read more
your price $51.99
BuyPART NUM 506973 
Shimano CUES RD-U4000-GS Rear Derailleur - 9-Speed, Shadow Design, Direct Attach, Medium Cage, Black Info
This Shimano CUES RD-U4000 Shadow 1x9-speed rear derailleur's smooth operation and dependability will help inspire riders to expand their trail-riding … read more
your price $52.99 + ships free
Info 
Shimano Deore RD-M5130 Rear Derailleur - 10-Speed, Medium Cage, Black BuyPART NUM 472338
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
BuyPART NUM 472338 
Sunrace RD-MS300 Rear Derailleur, 11sp, Mid, BLK BuyPART NUM 550745
11 speed rear derailleur with integrated chain stabilizer Compatible with 1x drivetrains with up to 51t cassettes Alloy links … read more
your price $54.99 + ships free
BuyPART NUM 550745 
microSHIFT ADVENT Rear Derailleur - 9 Speed, Medium Cage, Black, With Clutch Info
Designed with the rider in mind, the ADVENT rear derailleur packs trail-ready features into an attainable wide range drivetrain system. The derailleur … read more
9% offretail $64.99 your price $58.99 + ships free
Info 
Sunrace RDMS100 10sp Rear Derailleur, Med Cage w/Bolt, Black BuyPART NUM 864924
Direct mount medium cage Alloy cage with adjustable chain stabilizer Alloy cage and forged alloy links 13t lower pulley and … read more
your price $59.99 + ships free
BuyPART NUM 864924 
SRAM GX Type 2.1 10-Speed Medium Cage Rear Derailleur BuyPART NUM 621213
SRAM GX 10speed Front Derailleurs Item Specifications Color: Black Weight: 239 Largest Cog: 36 Chain Wrap Capacity: 35 Cage Length: Medium Number … read more
10% offretail $71.00 your price $63.90 + ships free
BuyPART NUM 621213 
"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."
"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."
"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."
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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In Store products are available to view in our showroom. In Store orders usually ship the same or next business day.
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