Derailleurs

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. For use with 11-speed drivetrains.

Shimano's Acera rear derailleur makes use of advanced designs that make it shift better and last longer. HyperGlide technology results in faster shifting, and Double Servo technology utilizes a double servo-panta mechanism that enables the rear derailleur to track perfectly to each shift and maintain an optimum distance from each sprocket. - Maximum cog size: 34t - Total capacity: 45t - Pulleys: 11t - Chain compatibility: HG 9-speed

Shimano's Alivio 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 reducing wear and smoothing pedaling.

- 7/8 speed design - Steel inner and outer links with steel chain cage - Multi-clamp to fit 28.6 – 34.9mm frames - Multi-pull design - Total gear teeth: 48

The Shimano Altus 3x9 speed front derailleur offers light action and improved clearance for wide tires and mud. - 50mm chainline - Chrome-plated cage - 9-Speed

The Dura-Ace Front Derailleur is Shimano's top-of-the-line front changer. The body is made of cold-forged aluminum for lightness with top-notch strength, and the pivots are extra wide for amazing shifting. The lightweight, replaceable aluminum cage is nickel plated for durability. Plus, the 7900 is designed to eliminate the need to trim the derailleur to prevent chain rubbing.

Compatible with DUAL SIS index shifting, the Shimano Tourney TY front derailleur is perfect for 3x7 and 3x6 speed drivetrains. - Action: TOP SWING - Angled clamp band design - Applicable Top-Mid tooth difference: 10T - Chain line: 47.5/50mm - Chain stay angle: 63-66 - Top gear teeth: 48T - Total capacity: 20T

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 Ultegra R8000 Shadow rear derailleur. - Sleek integrated appearance - Low-profile design - Race endurance - Optimized slant angle - Wide compatibility - Short cage covers: 11-25T to 11-30T - Medium cage covers: 11-28T to 11-34T - Model Number: RD-R8000 - Series: Ultegra - Maximum Sprocket: 30T - Minimum Sprocket: 11T - Maximum Front Difference: 16T - Average Weight: 200 grams (short cage type), 210 grams (medium cage type)

SRAM's X5 9-Speed Rear Derailleur provides precise, dependable shifting along with long-term durability. Its aluminum construction keeps the weight down, while SRAM's 1:1 actuation ratio and direct cable routing provide quick, reliable shifts.

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

- Prevents chain derailment when shifting to inner ring - Adjustable hose-type clamp fits 1-1/8" to 1-3/8" seat tubes

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 XT FD-M8070 Di2 Front Derailleurs - Accurate and stable shifting in any condition - Instant response - Customized shift speed within Multi-shift - Powerful shifting - Increased power vs. mechanical - Smart and efficient gear selection with Shimano Synchro Shift - Single lever operation - Rider-programmable shift mapping - Series : Shimano Deore XT - Swing Action: Down Swing - Top Gear Teeth: 38-34T - Chain Line: 48.8 - Chain Stay Angle: 66-69 - Average Weight: 134 grams

Shimano Deore XT RD-M8050 Di2 Rear Derailleur - Accurate and stable shifting in any condition - Instant response - Customized shift speed within Multi-shift - Powerful shifting - Seamless gear change even under high load - Smart and efficient gear selection with Shimano Synchro Shift - Single lever operation - Rider-programmable shift mapping - Drivetrain Speeds: 11 - Maximum Sprocket: 42T(2x11-speed)/46T(1x11-speed) - Minimum Sprocket: 11T - Front Difference: 10T - Total Capacity: 35T - Average Weight: 320 grams

- 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

With an integrated chain stabilizer mechanism, the Shimano GRX derailleur provides a quieter experience while delivering shifting security and precision on mixed terrain. For rides on smooth surfaces, the derailleur features an ON/OFF switch for the chain stabilizer. The RD-RX810 rear derailleur is compatible with road cassettes with a max cog size of 34T. - 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 - Low cog: Max. 34T/Min. 30T - High cog: Max. 11T/Min. 11T - Total capacity: 40T - Compatible with current road Dual Control Lever - Maximum front chainring range: 17T

With an integrated chain stabilizer mechanism, the Shimano GRX derailleur provides a quieter experience along 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-RX815 Di2 version offers the digital precision of Shimano electronic shifting with synchronization and is compatible with road cassettes with a max cog size of 34T. - Adjustable, gravel-tuned chain stabilizer prevents chain slapping and drops - Switch stabilizer ON/OFF to match the terrain - Total capacity: 38T - Smooth and reliable mixed surface shifting - Compatible with current road Dual Control Lever - Maximum front difference: 17T - High cog: Max. 11T/Min. 11T - Low cog: Max. 34T/Min. 30T

Sleek, balanced and consistent. Shimano's Tiagra 4700 series front derailleur provides serious entry-level riding performance with trickle-down technology from the top shelf Dura Ace line. - Model Number: FD-4700 - Series: Tiagra - Cassette Compatibility: 10-speed - Top Gear Teeth: 53T - Maximum Capacity: 16T - Chain Stay Angle: 61-66 - Chain Line: 43.5 - Band Mount: 28.6 / 31.8 (w/AdapterS) 34.9

Shimano's Tiagra Front Derailleur (3x10-speed) is sleek, balanced and consistent. The Tiagra 4700 series provides serious entry-level riding performance with cascaded technology from the top shelf Dura Ace line. - Model Number: FD-4703 - Series: Tiagra - Cassette Compatibility: 10 - Top Gear Teeth: 50T - Maximum Capacity: 20T - Chain Stay Angle: 63-66 - Chain Line: 45 - Band Mount: 28.6mm / 31.8mm (w/AdapterS) 34.9mm

Shimano Ultegra Di2 Shadow rear derailleur. - Sleek integrated appearance - New low-profile design - Shimano Shadow RD - Race endurance - Optimized slant angle - Maintain race concentration with more intuitive shift control - System communication with front derailleur - Shimano Synchronized Shift - Wide compatibility - Short cage covers: 11-25T to 11-30T - Medium cage covers: 11-28T to 11-34T - Average Weight: 242 grams (SS type), 249 grams (GS type)

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

- More powerful shifting (+25% compared to M9000) - Reliable gear changes under load - Computer controlled auto trim - Optimized Di2 cage profile and gear tracking - Shimano Synchronized Shift compatible - Manual control avaiable (2nd shifter required) - System communication with rear derailleur - Advantage in all conditions - Modular mounting structure (adapters optional)

From top-tier XC racing to punishing enduro stages, Shimano defines the rear derailleur with their XTR Shadow Plus 11-speed model. The Shadow design is already well known and loved for its direct cable routing and low profile that greatly lessens the risk of snagging your cable on roots or tagging your derailleur on rocks. Shimano's Plus derailleur technology is a one-way clutch system that stabilizes the cage and your chain when ripping over rough terrain. Chain slap and noise is virtually eliminated and dropped chains are practically a thing of the past. And of course, it retains XTR's legendary smoothness, light action and super precise shifting. The medium-cage design matches perfectly with XTR's double and single ring cranks and 11-speed cassette, offering a crisp, defined gear range.

SRAM’s Apex 1 drivetrain provides the gear range and the shifting simplicity to let you simply go where you want. The Apex 1 rear derailleur makes that gearing choice a reality with clean, crisp shifts, thanks to SRAM’s X-Horizon geometry and their Roller Bearing Clutch. - X-Horizon design reduces shift force, eliminates ghost shifting and chain slap - Compatible with 10-speed and 11-speed SRAM 1x road systems - With Cage Lock technology, wheel removal and installation are easier than ever - Equipped with Roller Bearing Clutch - Large upper pulley offset automatically adjusts chain gap - Weight: 314 grams - Outer Cage: Steel - Compatibility: 10-speed and 11-speed SRAM 1x road systems - Inner Cage: Steel - Cage Size: Long - Max Tooth: 42t - Pulleys: Sealed cartridge bearings - Pull: Exact Actuation

For smooth downshifts and fast upshifts, SRAM's Apex Front Derailleur is engineered for success. Its aluminum body is light as a feather while its steel cage is stiff for precision shifts everytime. The Apex Front Derailleur shifts great on standard and compact cranksets, too.

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'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'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).

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