Medium- Cage 12 Speed Bicycle Rear Derailleurs
The number of speeds should correspond to the number of cogs on the cassette.
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Showing 15 products:
Campagnolo Super Record WRL Rear, 12sp, Mid, CRBN
BuyPART NUM 155609
The new Super Record Wireless rear derailleur makes the most of Campagnolo state-of-the-art technology to guarantee maximum shifting performance Thanks … read more
Campagnolo RD23-SR12WRL
Ships Free$139 offretail $899.95 your price $760.00 + ships free
BuyPART NUM 155609 
Sram Force XPLR eTAP AXS D2, 12sp, Med, BLK/IR
BuyPART NUM 970108
A dedicated 1x-specific unit designed for use with a 10-44T or 10-36T cassette, it makes for an uncluttered drivetrain that takes on pavement and singletrack … read more
your price $377.00 + ships free
BuyPART NUM 970108 
Campagnolo Chorus Rear Derailleur - 12-Speed
5 of 5
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5 of 5 stars
( 1 review )
BuyPART NUM 660575
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
5 of 5
( 1 )
5 of 5 stars
( 1 review )
Two remaining at this price$19 offretail $178.95 your price $159.27 + ships free
BuyPART NUM 660575 
SRAM Rival XPLR eTap AXS Rear Derailleur - 12-Speed, 44t Max, Black, D1 BuyPART NUM 966264
If your ride doesn’t feel complete until you get a little dirt on your tires, you know the importance of capable components that can tackle anything. … read more
$36 offretail $300.00 your price $264.00 + ships free
BuyPART NUM 966264 
Campagnolo Super Record 12 Speed Rear Derailleur, Medium, Carbon BuyPART NUM 324213
12 speed Super Record rear derailleur Unidirectional carbon outer cage and carbon fibre-reinforced technopolymer body Only one … read more
$13 offretail $481.95 your price $467.99 + ships free
BuyPART NUM 324213 
Shimano XTR RD-M9100-GS Rear Derailleur - 12 Speed, Medium Cage, Gray, With Clutch
BuyPART NUM 637658
Shimano XTR M9100 rear derailleur features decreased rear derailleur tension at low gear position, to prevent high chain tension at low gear. … read more
your price $273.99 + ships free
BuyPART NUM 637658 
Shimano XT RD-M8100-GS Rear Derailleur - 12-Speed, Medium Cage, Black BuyPART NUM 718427
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
BuyPART NUM 718427 
Sunrace RD-MZ600 Rear Derailleur, 12sp, Mid, Blk BuyPART NUM 683442
12 speed rear derailleur for wide range 1x drivetrains Integrated chain stabilizer Alloy cage with forged alloy links Model: … read more
your price $99.99 + ships free
BuyPART NUM 683442 
Campagnolo Super Record EPS 12s Rear Derailleur, 12-Speed, Carbon BuyPART NUM 769024
The Campagnolo Super Record EPS 12 speed rear derailleur offers improved shifting performance with a trajectory curve that is optimized for 11-29 and … read more
$197 offretail $746.89 your price $549.00 + ships free
BuyPART NUM 769024 
Sram Force eTAP AXS D2 Medium Cage Mount BuyPART NUM 409074
The Force AXS does it all - road racing, CX, Gravel or the morning coffee ride Single cage length works with any cassette size from 10-28T … read more
your price $377.00 + ships free
BuyPART NUM 409074 
Sunrace RD-MZ600 Rear Derailleur, 12sp, Mid, Blk BuyPART NUM 601808
12 speed rear derailleur for wide range 1x drivetrains Integrated chain stabilizer Alloy cage with forged alloy links Model: MZ600 Speed: 12sp … read more
your price $99.99 + ships free
BuyPART NUM 601808 
Shimano Dura-Ace RD-R9250F Di2 Rear Derailleur - 12-Speed, Medium Cage, Includes TL-EW300, Black BuyPART NUM 995963
The Shimano Dura-Ace RD-R9250 rear derailleur integrates the system charging port and a wireless connectivity unit all while delivering super fast, precise … read more
your price $814.99 + ships free
BuyPART NUM 995963 
Shimano 105 RD-R7100 Rear Derailleur - 12-Speed, Direct Mount, One Spec, Shadow Design, 36t Max Low BuyPART NUM 219073
The Shimano 105 12-speed rear derailleur combines the smooth and stable shifting that is a staple of Shimano Shadow RD design with direct mount compatibility … read more
your price $64.99
BuyPART NUM 219073 
Campagnolo Record 12 Speed Rear Derailleur, Medium, Carbon 
Info
12 speed Record rear derailleur Alloy outer cage and carbon fibre-reinforced technopolymer body Only one cage length, compatible with … read more
$48 offretail $288.20 your price $239.88 + ships free
Info 
Sunrace RD-MZ90 12 Speed Rear Derailleur, Medium, 50T, Black Info
Direct mount 12 speed compatible derailleur Forged alloy links and inner plate cage with carbon outer cage construction Adjustable … read more
your price $246.99 + ships free
Info 
"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."
"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."
"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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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.
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