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'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.

If you expect every bit as much out of your equipment as you expect out of yourself, then XTR is the answer. Shimano's XTR Shadow Rear Derailleur comes to the game with super-light, cold forged-aluminum and carbon construction. It's strong spring keeps the body stable even when you're blasting through rough sections. The famously smooth, linear feel delivers precise shifts every time no matter what gear you're in. Plus, the Shadow design of this derailleur features direct cable routing while its low profile barely protrudes past the quick-release nut. These features mean there's much less risk of striking and damaging the derailleur or snagging the cable on roots or rocks.

Shimano's Sora Rear Derailleur is made for 9-speed drivetrains. It features smooth 11-tooth pulleys, a light-action spring, and a wide outer-pivot design that increases rigidity for precision shifts every time.

- Hinged band clamp for fitting braze-on front derailleurs on frames without braze-on mount - Aluminum construction - EPS compatible

Campagnolo's Super Record EPS Braze-On Front Derailleur delivers electronic precision to your front shifts. Hammer into the big ring and surge forward with a mere touch of a button, under heavy load or out of the saddle it's still as smooth as a dream. An aluminum internal cage plate and external carbon cage is powered by a servo motor to provide the incredibly quick shifting. It's versatile too, working with both standard and compact cranksets and auto-trimming to eliminate chain rub. - Drivetrain speeds: 11 - Derailleur capacity: 16T - Max ring (teeth): 55T - Double or triple: Double - Waterproof to 1 meter for 30 minutes (IP67 rated) - Weight: 127g

Campagnolo's Super Record EPS Rear Derailleur's arresting beauty is entwined with the pinnacle in rear shifting accuracy and precision. Campagnolo uses an advanced-parallelogram design and the extremely high-quality servo motors for precise, fast shifting of up to all 11 gears from a single push of a button. Or stop on any cog and the position sensor makes micro-adjustments to ensure perfect alignment. And this top-tier Italian bike jewelry is constructed from carbon and cold-forged aluminum to create an ultra strong and extremely light derailleur. Plus, the pulleys roll on super-efficient ceramic bearings and are made from a special rubber that renders the drivetrain virtually silent.

Eleven speeds to rule all the trails. That is the X1 Rear Derailleur's motto. It packs a massive amount of technology into its compact, lightweight aluminum body. This 11-speed gear changer 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.

One derailleur, multiple gearing options. Campagnolo's Chorus Front Derailleur is compatible with both standard and compact cranksets. This design requires less hand movement, facilitating better up-shifts to the big chainring. The light molded alloy cage has a plate on the tip of the outer cage to silence shifts. - Drivetrain speeds: 11 - Derailleur capacity: 16T - Min/Max: 34/53T - Double or triple: Double - Only Compatible with 2015+ Campagnolo Chorus, Record, and Super Record

Campagnolo's Super Record Front Derailleur handles the shifting duties of the world's top pros and is sure to work wonders for you, too! It features an aluminum internal cage plate and an external carbon one for incredibly quick shifting and a sleek look. The super-light cage along with the aluminum body and titanium hardware gives you one of the lightest front derailleurs you can buy. It's versatile too, working with both standard and compact cranksets. - Drivetrain speeds: 11 - Derailleur capacity: 16T - Max ring (teeth): 55T - Double or triple: Double - Only compatible with 2015+ Campagnolo Chorus, Record, and Super Record

Shimano's 105 Clamp-On Front Derailleur sports a cold forged-aluminum body with Shimano's extra wide-pivot design for lightning-quick and super-smooth shifts. The steel cage ensures excellent durability.

Shimano's CX70 Front Derailleur was designed from the ground up for the uiquely punishing world of cyclocross. Mud-shedding plates fight back against ice and debris build up. Reinforced pins stiffen the plates for fast shifts under the worst conditions, while special attention has been paid to the derailleur pivots and arms so they shed mud and ice. The cage size is optimized for the close-ratio chainrings common on cyclocross bikes. The CX70 Front Derailleur is available as either a top or bottom pull model to suit your bike.

SRAM's low-profile GX 2x10 Front Derailleur was designed specifically around SRAM X-GLIDE shifting. This stiff, strong front derailleur provides, crisp, precise action for fast, smooth and reliable shifting season in and season out.

Shimano's 105 Braze-On Front Derailleur sports a cold forged-aluminum body with Shimano's extra wide-pivot design for lightning-quick and super-smooth shifts. The steel cage ensures excellent durability.

- Replacement backplates for MRP chainguides - Medium angle backplate models offer clearance for low chainstay frames such as VPP

- Replacement backplates for MRP chainguides - Medium angle backplate models offer clearance for low chainstay frames such as VPP

SRAM's X9 Front Derailleur sports a stiff steel 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.

Step up to the next generation in shifting with SRAM's wireless RED eTAP electric aero drivetrain kit. The aero kit includes Blip shifters, derailleurs, battery charger and USB stick. Brake levers not included. Each kit contains: - 4x SRAM eTAP 650mm Blip remote shifter buttons - SRAM eTAP Blip Box - SRAM RED eTAP wireless front and rear derailleurs - SRAM eTAP batteries - Battery charger - USB stick - Quick-start guide

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.

Campagnolo's Veloce Front Derailleur features an aluminum body and chrome-plated cage for low weight, durability and smooth shifting. And, it's compatible with both standard and compact cranks.

• Covers the unused high-mount front derailleur mount on 1x-equipped bikes • Black anodized aluminum

A powerful punch in a tiny package! Boasting an optimised design and driven by the highest quality motors available today, the front derailleur moves the chain precisely in all conditions, even under strain. The result is a derailing speed like nothing you've ever seen before, with the chain shifting up and down from one chainring to the next with truly astonishing speed and precision. The body is made of Monolithic carbon, while the internal and external derailleur cage is composed of an aluminum/carbon mix to maximize stiffness and minimize weight. Plus the Magnetic Hall Sensor Resolver automatically trims the front derailleur to line up with the rear. - Derailleur capacity: 16T - Double or triple: Double - Drivetrain speeds: 11 - Max Ring (teeth): 55T - Compatibility: Campagnolo electronic Record/Super Record EPS - Waterproof to 1 meter for 30 minutes (IP67 rated) - Weight: 133g

Shimano's Deore XT Dyna-Sys 10-speed Front Derailleur sports a lightweight aluminum cage that's chrome plated to reduce wear, and the body boasts wide parallel pivots that provide fast, smooth, and reliable shifts every time. This model is an E-type derailleur and is specifically optimized for 2x10 set ups.

Shimano's electric-shifting 11-speed Ultegra Di2 Rear Derailleur is driven by battery power and a servo motor, so shifts are fast, precise, and perfect every time. It's made of light, tough cold-forged aluminum while mid-cage and short-cage models give you your choice of cassette. Since there aren't any cables or housing to stretch or fail, maintenance is dramatically reduced and shifting accuracy is unprecedented. This high-tech derailleur is even designed to move inward under impact to reduce the potential for damage in a crash.

- Longer B-screw needed when using 40t or 42t cog with most Shimano derailleurs

• Increased traction range for long-travel and active rear suspension • Down Swing and Top Swing • Model Number : FD-M8025 • Series : DEORE XT • Swing Action : Side Swing • Cassette Compatibility : 11 • Maximum Capacity : Total capacity 10T • Top Gear Teeth : 34-38T • Cable Routing : Dual-Pull, Top-Pull exclusive • Chain Line : 48.8mm (compatible with the special crankset which chain line is 3mm outboard; the special frame is required.) • Chain Stay Angle : 66-69 • BB Mounting Plate : Low-Clamp

Campagnolo's Veloce Rear Derailleur uses an advanced-parallelogram design that assures precise and quick shifting. The aluminum construction reduces weight and boosts strength for crisp gear changes. Plus, the pulleys are made from a special material that renders the drivetrain nearly silent.

When SRAM began developing XX, they were looking to create the lightest, most precise and technically advanced components possible, and boy have they delivered! The XX Front Derailleur is crafted from forged aluminum and steel to ensure a ridiculously low weight, while still delivering the precision and durability SRAM is known for. Plus, this beauty has been painstakingly engineered to throw down the fastest and smoothest front gear changes you've ever experienced.

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.

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.