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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.

SRAM XX1 Eagle Type-3 Rear Derailleur
$399.99
This derailleur not only answers the Eagle drivetrain’s need for greater capacity, but is also the next evolution of SRAM's proven, 1x-specific X-HORIZON design. The larger, 14-tooth X-SYNC lower pulley, allows 10- to 50-tooth cassette capacity in this compact design, and also adds to Eagle’s overall smooth-pedaling feel. SRAM's Type-3 ROLLER BEARING CLUTCH features a smoother torque curve for a quieter, more consistent operation and feel. CAGE LOCK has been moved back and out of the way, protecting it from trail debris. A redesigned, robust mounting system further improves the Eagle derailleur’s performance and overall durability.
Shimano Tourney TY-300 Rear Derailleur
$11.99
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
Shimano Deore XT Shadow + Rear Derailleur (Long Cage)
$99.99
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.
SRAM X5 Front Derailleur (Low-clamp, Dual-pull) 9-speed
$32.99
SRAM's X-5 Front Derailleur features rugged steel construction that means years of great shifting with crisp, precise action. And, the dual-pull cable routing allows this to be used on almost any frame out there.
Shimano 105 5800 Rear Derailleur Pulley Set
$14.99
- Upper pulley has larger teeth for increased chain control
Shimano Altus RD-M310 Rear Derailleur
$29.99
The Shimano Altus RD-M310 rear derailleur is a quality, durable replacement rear derailleur for 7 and 8-speed drivetrains. - 13t upper and 15t lower pulleys - Maximum cog size: 34t - Total capacity: 43t
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
Shimano Alivio FD-M4020 Side Swing Front Derailleur
$27.99
Shimano Side Swing front derailleurs feature improved cable routing for smooth and efficient front shifting effort and increased clearance for larger tires and shorter chainstays. - Optimal front system for internal cable routing - Enhanced maneuverability with plus-sized tires - Increased shifting efficiency and light and smooth operation force
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.
Shimano Deore M6020 Double Front Derailleur
$37.99 - $39.99
Features: - Smooth shifting and less cadence shock - Close step (10T) - SIDE SWING construction - 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 Alivio Shadow Rear Derailleur (9-speed)
$54.99
Shimano's Alivio Shadow Rear Derailleur is built to withstand the rigors of off-road riding, with a lightweight aluminum body and low-friction pivots for incredibly easy and smooth shifting. And, the Alivio features 11-tooth pulleys, which alternate chain-link contact to reduce wear and smooth pedaling. • Cage Length: Long • Chain Wrap Capacity (teeth): 45 teeth • Color: Gray • Drivetrain Speeds: 9 • Largest Cog (teeth): 36 • Rear Der/Shifter Compatibility: Shimano Mountain • Rear Derailleur Mount Type: 10x1 Standard , Shimano Rear Direct Mount
SRAM GX 1x11 X-Horizon Rear Derailleur
$129.99
SRAM's GX 1x11 X-Horizon rear derailleur is engineered for smooth, reliable shifting action—from the larger upper pulley offset to the 12-tooth X-Sync pulley wheels. By eliminating unwanted chain movement, this X-Horizon rear derailleur shifts faster, puts an end to ghost shifting, and reduces shift force and chain slap. And with Cage Lock technology, wheel removal and installation are easier than ever. • Long cage • X-Horizon design reduces shift force, ghost shifting, and chain slap • 12-tooth X-Sync pulley wheels • Large upper pulley offset automatically adjusts chain gap • Sealed cartridge bearings • Aluminum Cage
SRAM Rival 22 Front Derailleur
$43.00
SRAM's Rival 22 Front Derailleur delivers precision shifting with YAW technology. The steel cage with aluminum links ensures strength and durability. • Yaw cage rotates in line with chain, improving the shifting speed and precision while eliminating the need for shifter trim • Integrated chain spotter protects your frame, installs and adjusts independently of the derailleur itself • Precision alignment markings on the cage • Clamp: braze-on • Weight: 89g with Chain Spotter
Shimano Deore XT Front Derailleur (High Clamp)
$43.99 - $47.99
• 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 : High Clamp
SRAM RED eTap Rear Derailleur
$649.00 - $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
SRAM Force eTap AXS Front Derailleur
$350.00
The SRAM Force eTap AXS front derailleur is AXS enabled for easy personalization. The redesigned derailleur offers better rear-tire clearance—for those that explore all roads—and works perfectly with all chainring combinations. No compromises; never miss a shift. - AXS enabled for easy personalization - Elegant and streamlined form for more rear-tire clearance - SRAM Yaw trimless cage technology with an optimized cage profile for new chainring combinations - Compatible with existing eTap batteries
Shimano Claris FD-R2000 Front Derailleur
$22.99 - $23.99
Claris R2000 series offers reliable functionality at a price point for new riders. Designed for easy rides around town with the durability to handle a long tour, Claris R2000 has a sporty design and promises the opportunity of comfortable and casual riding.
Shimano Deore M6000 Triple Front Derailleur
$38.99 - $40.99
Shimano's Deore Front Derailleur delivers smooth shifting and less cadence shock along with top-notch durability. Made for triple-ring set ups, it's 10-speed compatible. You'll get stable performance, even with full suspension MTB, as it shifts properly while the 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 - Close step (10T) - Efficient cable routing - OPTISLICK cable - Swing Action: side swing - Top Gear Teeth: 40-42T - Chain Line: 50 - Chain Stay Angle: 66-69
Shimano Tourney 7-Speed Front Derailleur
$15.99 - $17.99
FD-A073 Tourney Front Derailleur for 2x7 or 3x7 drivetrains. - SG-X chainring compatible - Quick assembly - Interchangeable with SHIMANO road 7-speed system - Easy adjusting - Light operation and smooth shifting
Shimano 105 Rear Derailleur (Short Cage)
$54.99
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.
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
Shimano Alivio Front Derailleur
$27.99
Shimano's Alivio Front Derailleur features wide pivots and a rigid cage for fast shifting and trail-worthy durability. This 9-speed compatible derailleur also gives you clearance for mud guards or wide tires.
SRAM X01 Eagle Type-3 Rear Derailleur
$279.99
This derailleur not only answers the Eagle drivetrain’s need for greater capacity, but it’s also the next evolution of SRAM's proven, 1x-specific X-HORIZON design. The larger, 14-tooth X-SYNC lower pulley allows 10- to 50-tooth cassette capacity in this relatively compact design, and also adds to Eagle’s overall smooth-pedaling feel. SRAM's Type-3 ROLLER BEARING CLUTCH features a smoother torque curve for a quieter, more consistent operation and feel. CAGE LOCK has been moved back and out of the way, protecting it from trail debris. And a redesigned, robust mounting system further improves the Eagle derailleur’s performance and overall durability.
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
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 X0 3x10 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 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 X7 3x10 Front Derailleur (Low Direct-mount, Dual-pull)
$39.00
SRAM's X7 Front Derailleur is stiff, light and strong. It provides crisp, precise action for fast, smooth and reliable shifting season in and season out.
Origin8 MaxFit Braze-On Front Derailleur Adapter
$14.99
Converts braze-on front derailleurs to clamp-on. Available in multiple clamp diameters.
Sunlite Front Derailleur
$6.99
- Bulk packed and poly bagged - Speeds: 5/6/7 - Max Tooth: 48 - Wrap: 20 - Swing: Bottom
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