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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.

Shimano Tourney TY-500 Rear Derailleur, Rivet Mount
$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
Shimano 105 5800 Rear Derailleur Pulley Set
$14.99
- Upper pulley has larger teeth for increased chain control
Third Eye Chainwatcher
$14.99
- Prevents chain derailment when shifting to inner ring - Adjustable hose-type clamp fits 1-1/8" to 1-3/8" seat tubes
Origin8 MaxFit Braze-On Front Derailleur Adapter
$14.99
Converts braze-on front derailleurs to clamp-on. Available in multiple clamp diameters.
Shimano Deore XT Front Derailleur (E-Type)
$41.99 - $45.99
• Wider clearance for large wheels • Compatible with shorter chain stays • Efficient cable routing for light shift operation • Increased traction range for long-travel and active rear suspension • Model Number : FD-M8020 • Series : DEORE XT • Swing Action : Side Swing • Cassette Compatibility : 11 • Maximum Capacity : Total capacity 10T • Top Gear Teeth : 34-38T • Cable Routing : Front-Pull • Chain Line : 48.8 • Chain Stay Angle : 66-69 • BB Mounting Plate : E-Type
Campagnolo EPS Front Derailleur Stiffener
$85.00
- Required for use on carbon frames with carbon front derailleur braze on mounts - Compatible with all Campagnolo EPS front derailleurs - Increases the stiffness of carbon front derailleur braze-on mounts to handle the increase torque of EPS front derailleurs
Campagnolo EPS Front Derailleur Nut & Washer
$17.90
- EPS specific front derailleur nut and washer
Shimano SLX 2x11 Front Derailleur
$29.99
- Series: SLX - Top Gear Teeth: 34-38T - Chain Line: 48.8 - Chain Stay Angle: 66-69 - Average Weight: 145.6g
SRAM RED eTap Rear Derailleur
$670.00
The SRAM RED eTap rear derailleur executes shifts the instant you demand it, with military precision. Wirelessly. It’s easy to set up, clean in appearance and delightfully uncomplicated. Mechanical necessities such as a carbon pulley cage, ceramic pulley bearings, and anodized alloy artfully blend with proprietary electronic advancements to deliver a shifting wonder. - Compatible with SRAM RED eTap shift/brake controls - Max tooth size: short-cage - 28T; mid (WiFLi) cage - 32t - SRAM RED eTap shifting logic - Wireless connection via AIREA network for fast and clean installation - Exact Actuation provides precise gear selections - Designed to work with SRAM PowerGlide and PowerdomeX cassettes - Speeds: 11-speed - Weight: 239 grams (short cage with battery) - Outer Cage: Carbon - Compatibility: SRAM RED eTap, PowerdomeX & PowerGlide Cassette - Inner Cage: Carbon - Finish: Black - Pulleys: Ceramic - Pull: Exact Actuation
Sunlite Derailleur Hanger
$15.79 - $21.59
- 6061 Forged Alloy - Made to O.E.M. specifications - Correct hardness to reduce damage to frame upon impact
SRAM X0 2x10 Front Derailleur (Low Direct-mount, Bottom-pull)
$69.00
SRAM's X0 Front Derailleur is made from cold-forged aluminum and chrome-plated steel for exceptional reliability and a race-worthy weight. It boast’s SRAM’s X-Glide technology for super-smooth and lightning-quick shifting even under load.
SRAM Apex Rear Derailleur (Medium-cage)
$79.99
SRAM's Apex Rear Derailleur features cold-forged aluminum construction for sweet shifting, dependability and low weight. Designed for SRAM's 10-speed road drivetrains and featuring their Exact Actuation Technology, Apex will provide you with perfect shifting every time.
SRAM BlackBox Ceramic Bearing Pulleys - Mountain
$154.00
SRAM's BlackBox Ceramic Bearing Pulleys run on super-smooth and efficient ceramic bearings so your drivetrain pedals with ease. They are also lighter than conventional pulleys. These fine pulleys even come with SRAM's ceramic-bearing grease in an easy-to-use 10ml syringe container (image of grease unavailable from manufacturer).
Shimano Deore M6025 Double Front Derailleur
$38.99 - $40.99
Features: - Smooth shifting and less cadence shock - Close step (10T) - Efficient cable routing - OPTISLICK cable - Stable performance on suspension bikes - Shifts properly while rear suspension handles rough trails and obstacles - Consistently quiet driving while rear suspension position changes - Custom plate design for single spike gear structure - Chain catcher - 2x10-speed
Shimano SLX M7000-GS Rear Derailleur Cage Plate
$8.00
- Replacement plate for M7000-GS rear derailleur - Choose Inner or Outer
SRAM Rival 1 Rear Derailleur
$115.00
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
SRAM Force 1 Rear Derailleur
$225.00
The SRAM Force 1 rear derailleur adopts all the technologies of SRAM 1x MTB to provide the fastest, quietest 1x shifting available. SRAM’s unique clutch system eliminates chain slack, providing for smoother, quieter, and more secure chain travel. - A dedicated 1x rear derailleur - EXACT ACTUATION for fast and accurate shifts using SRAM’s 1:1 actuation ratio (shifter cable travel: derailleur movement). - 10- and 11-speed compatible - X-SYNC pulley features a 12-tooth design that helps control the chain’s lateral movement - X-HORIZON “straight parallelogram” design limits all movement to the horizontal axis, which makes ghost shifting impossible while also reducing shift force - ROLLER BEARING CLUTCH’s one-way roller clutch controls chain tension for consistent shifting - Cage Lock technology makes for fast wheel changes or chain installation - Available in Short: 11-26 through 11-28 / Medium: 11-26 through 11-36 / Long 11-32 through 10-42 cage lengths Short Cage: Chain Wrap Capacity (teeth): 18 teeth Largest Cog: 28 Weight: 250 g Medium Cage: Chain Wrap Capacity (teeth): 26 teeth Largest Cog: 36 Weight: 262 g Long Cage: Chain Wrap Capacity (teeth): 32 teeth Largest Cog: 42 Weight: 271 g
Shimano Ultegra RD-X805 Di2 Rear Derailleur
$284.99
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
Shimano GRX RX817 Di2 11-Speed Rear Derailleur
$319.99
With an integrated chain stabilizer mechanism, the Shimano GRX derailleur provides a quieter experience with shifting security and precision on mixed terrain. For rides on smooth surfaces, the derailleur features and ON/OFF switch for the chain stabilizer. The RD-RX817 Di2 version offers the digital precision of Shimano electronic shifting, as well as synchronized shifting and is compatible with MTB cassettes with a max cog size of 42T. - Adjustable, gravel-tuned chain stabilizer prevents chain slapping and drops - Switch stabilizer ON/OFF to match the terrain - Silent and uninterrupted rear shifting on rough terrain - Compatible with current road Dual Control Levers - High cog: Max. 11T/Min. 11T - Low cog: Max. 42T/Min. 40T - Total capacity: 31T
Shimano Deore FD-M618 Front Derailleur
$38.99
The Shimano Deore M618 series front derailleurs provide reliable, accurate 2x10 speed shifting. They are available in a variety of mounting formats to suit most mountain bike frames.
SRAM X0 2x10 Front Derailleur (High-clamp, Top-pull)
$69.00
SRAM's X0 Front Derailleur is made from cold-forged aluminum and chrome-plated steel for exceptional reliability and a race-worthy weight. It boast’s SRAM’s X-Glide technology for super-smooth, lightning-quick shifting even under load.
SRAM XX1 Ceramic Bearing Rear Derailleur Pulleys
$79.00
SRAM's XX1 Ceramic Bearing Rear Derailleur Pulleys run on super-smooth, efficient ceramic bearings so your drivetrain rolls with ease. They are lighter than conventional pulleys and even come with SRAM's ceramic-bearing grease in an easy-to-use 10ml syringe.
Microshift R9 Front Derailleur
$22.99
Optimized for Shimano compatible 9-speed road drivetrains, R9 front derailleurs feature metal construction and rapid shifting response. - Cold-forged aluminum body
SRAM X0 2x10 Front Derailleur (High-clamp, Dual-pull)
$77.00
SRAM's X0 Front Derailleur is made from cold-forged aluminum and chrome-plated steel for exceptional reliability and a race-worthy weight. It boast’s SRAM’s X-Glide technology for super-smooth and lightning-quick shifting even under load.
SRAM Rival 22 Rear Derailleur WiFli (Mid Cage)
$69.00
Incredibly fast, astonishingly quiet and impressively precise—fly through all 11 gears with SRAM's Rival 22 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 chain pulley cage for lightning-fast, ultra-precise shifts, and an elastomer coating applied to the jockey wheels makes for extra quiet operation. Aluminum inner and outer cages, aluminum links, and stainless steel hardware keep the durable Rival 22 at a svelte 191 grams. Plus, SRAM's WiFLi technology delivers a wider range of gears than your standard triple, faster shifts through two chainrings and every gear on the rear cassette, all with significant weight savings.
Shimano XTR Mechanical Front Derailleur (E-Type)
$93.99 - $119.99
• Alloy cage with titanium hardware offers light and durable performance • Side-swing design better accomodates more suspension designs and an additional 15mm of tire clearance • Increased pull strength provides faster shifting • 48.8mm Chainline Top Swing, Double • Derailleur Capacity: 10 • Double or Triple: Double • Drivetrain Speeds: 11 • Front Der/Shifter Compatibility: Shimano Road • Front Derailleur Cable Pull: Bottom • Front Derailleur Clamp: E-Type • Front Derailleur Style: Topswing • Max Ring (teeth): 38 teeth Side Swing, Double • Derailleur Capacity: 10 • Double or Triple: Double • Drivetrain Speeds: 11 • Front Derailleur Cable Pull: Front Pull • Front Derailleur Clamp: E-Type • Front Derailleur Style: Side Swing • Max Ring (teeth): 38 teeth • Max Ring (teeth): 38 teeth Side Swing, Triple • Derailleur Capacity: 18 • Double or Triple: Triple • Drivetrain Speeds: 11 • Front Der/Shifter Compatibility: Shimano Road • Front Derailleur Cable Pull: Front Pull • Front Derailleur Clamp: E-Type • Front Derailleur Style: Side Swing • Max Ring (teeth): 40 teeth
Shimano XTR Di2 Rear Derailleur (Medium Cage)
$630.99
Shimano's unbelievable Di2 technology has made the leap to the trails with their XTR Di2 drivetrain. This rear derailleur features all of the race-day performance you've come to expect from XTR, and the unrivaled stability, speed, and performance of an electronic drivetrain. Since there aren't any cables to stretch or housing to create friction, shift performance stays amazingly perfect, delivering flawless shifts any time, under any condition. System communication with the front derailleur eliminates chain rub and, if you prefer, the rear derailleur can be optimized to use Shimano's Synchronized Shift technology.
Shimano XTR Mechanical Front Derailleur (Direct Mount)
$93.99 - $119.99
• Alloy cage with titanium hardware offers light and durable performance • Side-swing design better accomodates more suspension designs and an additional 15mm of tire clearance • Increased pull strength provides faster shifting • 48.8mm Chainline Down Swing, Double • Derailleur Capacity: 10 • Double or Triple: Double • Drivetrain Speeds: 11 • Front Der/Shifter Compatibility: Shimano Road • Front Derailleur Cable Pull: Dual Pull • Front Derailleur Clamp: High Direct Mount • Front Derailleur Style: Traditional • Max Ring (teeth): 38 teeth Side Swing, Double • Derailleur Capacity: 10 • Double or Triple: Double • Drivetrain Speeds: 11 • Front Der/Shifter Compatibility: Shimano Road • Front Derailleur Cable Pull: Front Pull • Front Derailleur Clamp: High Direct Mount • Front Derailleur Style: Side Swing • Max Ring (teeth): 38 teeth Side Swing, Triple • Derailleur Capacity: 18 • Double or Triple: Triple • Drivetrain Speeds: 11 • Front Der/Shifter Compatibility: Shimano Road • Front Derailleur Cable Pull: Front Pull • Front Derailleur Clamp: High Direct Mount • Front Derailleur Style: Side Swing • Max Ring (teeth): 40 teeth
SRAM X01 Eagle AXS Rear Derailleur
$700.00
It's an all-new derailleur that's specifically designed and optimized to be motor-driven instead of cable-actuated. AXS powered components enable customization and scale to an individual rider's liking via the AXS App. It features a shorter cage for 10mm more ground clearance, with more chain wrap on the cassette to sit slightly further forward, and further inboard from mechanical Eagle. The Eagle AXS derailleur is smart enough to protect itself thanks to its incredibly resilient Overload Clutch. In the event of an impact, the motor gearbox disengages, giving the derailleur freedom to move, and instantly returns back to its position for a seamless experience for the rider. The system is tested to IP69K water and dust proofing standard for creek crossings, mud splatterings and the resulting post-ride pressure washings. - Enduro focus and trail ready - Forged aluminum cage - Stainless hardware - Black/Polar colorways - Eagle technology - Overload Clutch protection - AXS enabled componentry software that makes it possible to both program and personalize new SRAM and RockShox components - System is completely water and dust proof to IP69K - Eagle AXS is designed to work with X-DOME Eagle cassettes only, providing the most precise, silent, and reliable shift performance available.
SRAM RED eTap Rear Derailleur
$649.00
The SRAM RED eTap rear derailleur executes shifts the instant you demand, wirelessly. It's easy to set up, clean in appearance, and delightfully uncomplicated. Mechanical necessities, such as a carbon pulley cage, ceramic pulley bearings, and anodized alloy artfully blend with proprietary electronic advancements to deliver a shifting wonder. - SRAM eTap shift logic and wireless operation - 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 - Orbit chain management technology keeps drivetrain quiet and secure - Larger X-SYNC pulleys and ceramic bearings for increased durability and efficiency - Compatible with existing eTap batteries
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