Filter By:
- Show More Brands
- Show Fewer Brands
Derailleurs
Derailleurs are available in many configurations, to fit different gear combinations, tubing diameters, cable routings, etc. SouthWest Bicycles carries a good supply and can help determine the proper make and model for your needs.
$109.99
Shimano's Deore XT Rear Derailleur uses cold-forged construction and cutting edge technology to deliver crisp shifting, real-world reliability, and trademark precision. Plus-type derailleurs use a lever-actuated clutch spring to prevent chain slap, reduce noise while on the trail, and improve chain engagement when riding over rough terrain. Sealed pulley bearings keep things spinning smoothly, and wide plate construction prevents the derailleur from getting clogged with mud and debris.
$214.00
Elevating the shift, expanding the capable, the X01 Eagle derailleur features an updated cage architecture to provide better chain management than ever. The X01 Eagle rear derailleur works with the new 10-52T cassettes and is backward-compatible with 10-50T options, as well.
- Updated cage provides better chain retention and more precise shifts
- Backward-compatible design works with 10-50T and 10-52T cassettes
$14.99
- Compatible with 6 and 7-speed SIS Index Shifting drivetrains
- Includes BMX/track frame hanger
$103.99
Shimano's Deore XT Rear Derailleur uses cold-forged construction and cutting edge technology to deliver crisp shifting, real-world reliability, and trademark precision. Plus-type derailleurs use a lever-actuated clutch spring to prevent chain slap, reduce noise while on the trail, and improve chain engagement when riding over rough terrain. Sealed pulley bearings keep things spinning smoothly, and wide plate construction prevents the derailleur from getting clogged with mud and debris.
$19.99
Shimano's Tourney long cage rear derailleur incorporates advanced Shimano functions and styling that sets the standard for entry level components.
- TY model comes with resin bracket and plate body for reduced weight
- Zinc-plated adjustment screws for corrosion resistance
- MegaRange compatible
- Includes frame hanger
- Maximum cog size: 34t
- Total capacity: 43t
$14.99
The Shimano Tourney TX800 front derailleur offers precise shifting with HYPERDRIVE technology for 3x8 speed drivetrains.
- Action: TOP SWING
- Angled clamp band design
- Applicable Top-Mid tooth difference: 10T
- Chain line: 47.5/50mm
- Chain stay angle: 66-69
- Top gear teeth: 42T/48T
- Total capacity: 20T
$19.99
Enjoy quality and reliability with the Shimano Tourney 6/7-speed rear derailleur. It makes use of Shimano SIS, HyperGlide, and Double Servo technologies for smooth, accurate shifts.
- Maximum cog size: 34t
- Total capacity: 43t
$39.99
SRAM's X4 Rear Derailleur provides precise, dependable shifting along with long-term durability. Its aluminum and steel construction delivers through the roughest trail, while SRAM's 1:1 actuation ratio and direct cable routing provide quick, reliable shifts. This derailleur is compatible with 7- or 8-speed drivetrains.
$14.99
- Bulk packed and poly bagged
- Speeds: 5/6/7
- Max Tooth: 48
- Wrap: 20
- Swing: Bottom
$117.99
Ultegra RX brings Shimano's pioneering chain stabilizing technology to road cycling, delivering smooth and precise shifting over technical terrain. It expands road bike capabilities, inspiring confidence on any surface and drives the evolution of road cycling to include greater elements of adventure. No longer is the road bike narrowly defined. Shimano Ultegra RX broadens the notion of drop bar riding and emboldens cyclist to explore further.
- Chain Stabilizer mechanism adopted from MTB design
- Stabilizer ON/OFF switch
- Compatible with current road dual control lever
- Shadow RD technology
- Direct mount compatible
- Maximum cog size: 34t
- Total capacity: 39t
$429.99
- Ergonomic Shifting Operation Without Stress
- Shimano Synchronized Shift
- Race Endurance For Less Damage In Crush
- Quick And Smooth Front Shifting "Under" High Pedaling Torque
- Maintains Compact And Smooth Appearance
- Top Gear Teeth: 46-55T
- Chain Stay Angle: 61-66°
- Chain Line: 43.5mm
$309.99
Shimano Ultegra R8050 Di2 front derailleur.
- Quick and smooth front shifting under high pedaling torque
- Programmed control of chain guide
- Shimano Synchronized shift
- Full and semi synchronized shifting program
- Redesigned to fit wider gear pitch without sacrificing shifting
- Shorter length of rear center (410mm) with O.L.D. 135mm
- System communication with rear derailleur, Programmed control of chainguide works for minimal chance of chain drop
- Top Gear Teeth: 46-53T
- Chain Stay Angle: 61-66
- Chain Line: 43.5
- Average Weight: 132 grams
$5.39 - $46.99
- 6061 Forged Alloy
- Made to O.E.M. specifications
- Correct hardness to reduce damage to frame upon impact
$79.99
The microSHIFT Sword rear derailleur for 2x system features a modern and innovative design with elegant mechanical operation. The cage is designed to use with a double chainring and an 11-38t cassette, giving you a very wide range with excellent climbing gears. Not only that, but the cage itself is replaceable, so you can repair a damaged cage or even switch to the 1x cage easily. It also features a hidden clutch design with instant engagement and silent operation to keep the chain secure over rough terrain. With the introduction of Igus bushings on the parallelogram, lateral stiffness and longevity are both improved, making shifting snappier and more robust. Even the barrel adjuster is innovative, with an orbital housing stop that rotates by 15 degrees to reduce cable friction from tight housing bends.
- Compatible with Sword and Advent X shifters
- Compatible with standard 10-speed chains
- Silent clutch with instant engagement and integrated switch
- Igus bushings for added stiffness
- Replaceable cage
- Max cassette range of 38t
- Orbital barrel adjuster reduces housing bends for less cable friction
$50.99 - $69.99
Shimano's 105 Rear Derailleur delivers high-end function with upscale looks. With a body of light, durable cold-forged aluminum in Shimano's wide-pivot design with their light-action spring, rear shifting is practically effortless and always super smooth. The top pulley stays a uniform distance from each cassette cog ensuring that every shift resonates with the plunk of exact gear engagement.
$18.99
- 2:1 actuation ratio compatible with most Shimano 3x7/8sp drivetrains
- Aluminum and steel construction with 11-tooth pulleys barrel adjuster
$409.99
Shimano's GRX RX825 Di2 12-speed rear derailleur features a built-in wireless connectivity unit and charging port, ensuring fast and reliable shifting for mixed-terrain riding and easy recharging. Integrated Shadow RD+ technology prevents chain slap and ensures precise shifting even on rough terrain. Thanks to built-in ON/OFF switch, wheel removal is easy too. The RD-RX825 is compatible with 11-34t and 11-36t 12-speed cassettes and supports Full or Semi-Synchronized shift modes, enhancing rider customization.
- Integrated wireless unit, charging port, and switch allows a compact design
- Offers fast and reliable shifting on rough terrain
- Adjustable chain stabilizer prevents chain slap
- Shimano Shadow RD+ offers a quiter drivetrain by utilizes a stablizer to reduce chain slap and provides a simple solution for chain drops
- Gravel-tuned clutch tension features a switch stabilizer ON/OFF to match terrain - ON for gravel, OFF for smooth roads
- LED status indicator to easier identify battery life, pairing, adjust mode, etc.
- Top sprocket: Max. 11t/Min. 11t
- Low sprocket: Max. 36t/Min. 34t
- Total Capacity: 40t
$118.00
Incredibly fast, astonishingly quiet, and impressively precise — fly through all 11 gears with SRAM's Force 22 WiFLi Rear Derailleur. It takes advantage of SRAM's Exact Actuation technology for precision shifts every time. Carefully shaped jockey wheels work together with the sculpted cage for lightning-fast, ultra-precise shifts, and an elastomer coating applied to the jockey wheels makes for extra quiet operation. A carbon outer cage, aluminum inner cage, and magnesium inner link keep the Force 22 WiFLi at a svelte 190 grams. The WiFli version shifts up to a 32T max cog for a super-wide gear range.
$321.00
This one takes all your trail dreams, from XC to enduro, all the way to eleven. SRAM's XX1 rear derailleur packs a massive amount of technology into its compact, lightweight body. It uses a “horizontal parallelogram” design that limits all movement to the horizontal axis, reducing the force it takes to shift. The Type 2 clutch is brilliant. This self-lubricating, one-way roller clutch controls your chain tension to eliminate chain slap and give you smooth, consistent shifts over any terrain. For quicker, smoother, more exact shifting, the large upper pulley's offset design maintains a consistent chain gap across all gears.
$300.00
On any surface you can imagine, in any drivetrain configuration, the Rival eTap AXS rear derailleur will handle it. Secure chain management and fast, precise shifting make for a smooth and quiet ride, every time.
- Wireless electronic eTap shift logic for intuitive shifting, easy setup, and reliability
- Compatible with both 1x and 2x drivetrains
- 36T cog max derailleur works with 10-28T, 10-30T, 10-33T, and 10-36T cassettes
- SRAM AXS-enabled, allowing easy personalization
- Spring clutch keeps the drivetrain quiet and secure
- X-SYNC pulleys for increased durability and efficiency
- 36T max rear cog
- Battery Not Included
$109.00
Incredibly fast, buttery smooth and impressively precise gear changes are here with SRAM's Force Rear Derailleur. It takes advantage of SRAM's Exact Actuation technology for precision shifts every time. Plus, the Force is crafted with cutting-edge materials, such as a super-light carbon cage and a magnesium inner link for feathery low weight, flawless shifting and reliability.
$123.00
The SRAM Rival 1 rear derailleur is engineered for smooth, reliable shifting action, delivering 100% of what you demand. By eliminating unwanted chain movement, X-HORIZON shifts faster, reducing shift effort and chain slap.
- X-HORIZON design reduces shift force while eliminating ghost shifting and chain slap
- Large upper pulley offset automatically adjusts chain gap
- Sealed cartridge bearings and aluminum cage
- Technologies: X-HORIZON, EXACT ACTUATION, X-SYNC, ROLLER BEARING CLUTCH, Cage Lock
- Medium cage: 11-26 through 11-36 cassettes, 269g
- Long cage: 10-42 cassette, 275 g
$139.99
This new NX Eagle derailleur features the proven SRAM 1x-specific X-HORIZON design. The larger, 14-tooth X-SYNC lower pulley easily facilitates 11- to 50- and 10- to 50-tooth cassette capacity, and also adds to NX Eagle's overall smooth-pedaling feel. The Type-3 ROLLER BEARING CLUTCH provides quiet, consistent performance and durability.
- Eagle technology provides an expanded, optimum, gear range making you fast on the flats, giving you control on the climbs and unleashing your speed on the descents
- Eagle is a complete drivetrain system that was developed to be an integrated high-performance ecosystem. The engineering and testing that went into the development provide for maximum performance, safety, and long-term durability to ensure a great consumer ride experience. We guarantee this performance when Eagle drivetrains are used as a complete ecosystem. For additional information, please contact your SRAM Sales Contact.
- Completely new rear derailleur incorporating our proven X-HORIZON design and new Type-3 ROLLER BEARING CLUTCH technology
- Eagle ecosystem-engineered mounting system and CAGE LOCK positioning add robustness
- Eagle pulley technology provides greater efficiency, crisper shifting and quieter operation
- Speed (RD): 12s
- Cable pull ratio: X-actuation
- Cage (RD): Long
- Max tooth: 50
- Color (RD): Black
- Pulley bearings material: Steel
- Cage material (RD): Steel
$195.00
The Rival eTap AXS wide front derailleur is optimized for smaller X-Range chainrings on wide cranks and uses Yaw technology so there's no need for trim. Its wider position on the bike also provides clearance for extra wide tires, so you can venture far beyond the beaten path.
- Wireless electronic eTap shift logic for intuitive shifting, easy setup, and reliability
- For wide cranksets with 43/30T chainrings
- Additional clearance for 700x45c and 27.5x2.1" tires
- Crisp and accurate front shifts
- AXS enabled for easy personalization
- Battery Not Included
$71.00
SRAM's GX 2x10 rear derailleur provides incredible shifting speed and precision. Exact Actuation technology eliminates slop and shifting variation. Roller Bearing Clutch technology delivers maximum drivetrain stability—even through the most punishing terrain. And with Cage Lock technology, wheel removal and installation are easier than ever.
$333.00
It takes a degree of passion for the sport that can’t be faked to fully appreciate SRAM RED. It was created to blur the boundaries between machine and athlete. The SRAM RED rear derailleur was designed with Exact Actuation technology for precise, efficient shifting. Carbon fiber, titanium, and ceramic bearings complete the spec. The result adds to its legacy as the heart of the purest groupset for the pursuit of cycling excellence.
- SRAM 11-speed compatible
- WiFLi option
- Carbon cages, carbon inner links, titanium hardware
- Exact Actuation shifting provides fast and accurate shifts
- Silent shifting with optimized AeroGlide pulleys, ceramic bearings
- Spring-fixed barrel adjuster
- Chain pulley cage adds precise chain management
- Titanium pinch bolt keeps a low profile while minimizing weight
- Speeds: 11
- Material: Carbon cages, Carbon inner links, Aero designed titanium hardware
- Weight: 145 grams short cage), 165 grams (mid cage)
- Compatibility: SRAM RED & Force Rear Shift-Brake levers, SRAM R2C Aero SL-1190 shifters,
- SRAM R2C Aero SL-1150 shifters, SRAM 900 Aero brake levers, SRAM 500 Aero brake levers
- Finish: Falcon grey & black anodized
- Tech Highlights: AeroGlide Pulleys, Exact Actuation
- Largest Cog (teeth): 28 (short cage) 32 (WiFli Medium Cage)
$42.99 - $59.99
The Shimano FD-R7000 11-speed front derailleur offers lighter front shifting with a natural stroke feel. The derailleur's cage design is optimized to perform with disc brake road bikes, while multiple cable routing options and integrated cable tension adjustment allow for precise setup and easy adjustments. As part of Shimano's 105 R7000 series, this front derailleur is ideal for beginner road cyclists, combining great value with trickle-down technology from Shimano's top-tier groups.
- Cage is optimized for disc brake road bikes
- Integrated cable tension adjustment for precise and easy adjustments
- More frame cable routing options
$54.99
SRAM's X9 Front Derailleur sports a forged-aluminum cage and a cutout design for exceptional durability with minimal weight. It provides, crisp, precise action for fast, smooth and reliable shifting season in and season out.
$20.99
R-series rear derailleurs are designed to work with 8 and 9-speed Shimano-compatible road shifters. These R8 rear derailleurs have composite and steel parts that weigh more but have the same durability and performance as R9 and R10 derailleurs.
- Steel pulley cage for extra durability
- Not compatible with Shimano Tiagra 4700 road system
- Short cage for double crankset and 28T max cog
- Long cage for triple crankset and 28T max cog
$12.99
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 with M21 rear derailleurs.
- Robust composite and steel construction
- Compatible with Shimano 6- and 7-speed mountain and road systems
- Long cage for double or triple cranksets and 32T max cassette cog
- Includes frame hanger attachment for use with older frame designs
Page 1 of 5
Next page