rear derailleurs

The Sram SX Eagle X-Actuation Single Click A1 shifter is designed for those who want to enter the world of 1x12 Eagle drivetrains with a reliable, precise, and intuitive control. Built to accompany you on the most demanding trails, it offers sharp and controlled shifting, so you can focus only on riding. The Single Click system limits the actuation to one click at a time, ideal for protecting the drivetrain in the harshest conditions and for those always seeking maximum control, especially in e-MTB or aggressive trail riding. With typical Sram ergonomics and X-Actuation technology, every shift is clean and repeatable, mile after mile. SRAM EAGLE 12V LEFT SHIFTER MAIN FEATURES: Designed for Sram Eagle 1x12 speed drivetrains X-Actuation technology for precise and consistent shifting across the entire cassette Single Click version: only one shift per actuation, ideal for e-MTBs and intensive use Fast and intuitive control for immediate gear changes Robust construction designed for off-road use Compatible with Sram Eagle rear derailleurs Ergonomics designed for easy use even with gloves Perfect solution for those looking for an affordable but reliable upgrade for their Eagle group TECHNICAL SPECIFICATIONS: Cable length (mm): 2200 Rear speeds: 12-speed Group: SRAM, Eagle Technologies: x-actuation Color: black Optical gear display: no Technology: SRAM X-Actuation Type: trigger shifter Manufacturer part number: 00.7018.410.000 Weight: 327 grams Max. upshifts: 1 Not Matchmaker compatible

SRAM GX1 AXS EAGLE 12-SPEED REAR DERAILLEUR The SRAM GX1 AXS Eagle 12-Speed derailleur is the ideal choice for cycling enthusiasts seeking top-level performance and an eye-catching design. With its cutting-edge technology and ease of use, this derailleur offers an unprecedented riding experience, both on flat terrain and on climbs. KEY FEATURES OF SRAM GX1 AXS EAGLE 12-SPEED REAR DERAILLEUR: AXS wireless technology for an intuitive, cable-free connection Lightweight and durable design for optimal performance 12 speeds to tackle any type of route with ease Compatibility with most types of mountain bikes and road bikes ITEM CODE: 00.7518.151.000

ROCKY MOUNTAIN POWERPLAY TOQUE SENSOR 9T PULLEY KIT For Dyname 3 Powerplay motors.

SHIMANO PULLEY + TENSION GUIDE RD-8000 The SHIMANO PULLEY + TENSION GUIDE RD-8000 allow you to replace worn pulleys to maintain the correct operation of the 11-speed derailleur. Two waterproof, high-precision bearings facilitate transmission and prevent friction. MAIN FEATURES OF SHIMANO PULLEY + TENSION GUIDE RD-8000: Replacement pulleys for Ultegra 8000 11-speed derailleur. Each pulley is equipped with two waterproof, high-precision bearings. Compatible models: RD-R8000-GS, RD-R8000-SS, RD-R8050-GS, RD-R8050-SS, RD-RX800-GS, RD-RX805-GS, RD-RX812, RD-M8000-GS, RD-M8000-SGS, RD-M8050-GS. Compatible series: ULTEGRA R8000 Series, ULTEGRA R8050 Series, GRX 11-speed, DEORE XT M8000 Series, DEORE XT M8050 Series. ITEM CODE Y3E998010

SHIMANO SLX M7100 12-SPEED REAR DERAILLEUR LONG CAGE Precise and stabile 12-speed Shimano rear derailleur perfetto even on rough terrain. Compatible with Shimano 12-speed drivetrains and cassettes up to 51 teeth. SHIMANO SLX M7100 12-SPEED REAR DERAILLEUR LONG CAGE MAIN FEATURES: Compatible with 12-speed drivetrains. Larger 13-tooth pulley. Compatible with cassettes up to 51 teeth. stabile and quiet drivetrain. End stop bumper. SHADOW RD+ anti-drop spring. Weight (approx.): 320 g. ITEM CODE IRDM7100SGS

SRAM S100 Eagle 12-Speed – Long Cage Mechanical Rear Derailleur Designed to offer reliable and long-lasting performance in the world of 12-speed MTB drivetrains, the SRAM S100 Eagle represents the ideal entry point into the Eagle ecosystem. The result of over ten years of SRAM Eagle technology development, this rear derailleur combines precise shifting, robustness, and compatibility with modern wide-range drivetrains. Thanks to the new internal bushing design, operation remains smooth and precise even after many hours of use on the most demanding trails. The X-Actuation™ system ensures quick and consistent gear changes, while the proven Drag Spring Cage Damper keeps the chain stable and quiet on the roughest terrain. The long cage supports cassettes up to 50 teeth, offering a wide gear range ideal for MTB, e-MTB, and trail/all-mountain use. Furthermore, it is designed for traditional mounting or with a UDH-compatible Half Mount configuration, for greater safety and integration with the latest generation frames. Key Features SRAM Eagle 12-speed rear derailleur. Compatible with SRAM Eagle X-Actuation mechanical drivetrains. Long cage for cassettes up to 50 teeth. Drag Spring Damper for excellent chain retention. New bushing assembly process for greater durability and precision. Compatible with Eagle 10-50T and 11-50T cassettes. Designed for traditional mounting or Half Mount with UDH standard. Ideal for high-torque MTBs and e-MTBs. Compatible with Eagle SX, NX, GX, X01, and XX1 components. Not compatible with SRAM Eagle Transmission (T-Type) groupsets. Why choose SRAM S100 Eagle The SRAM S100 Eagle is the perfect solution for those who want a reliable, durable, and easy-to-maintain drivetrain. It offers all the experience gained from the Eagle platform in a robust and performing component, designed to tackle technical trails, long excursions, and intensive use without compromise. Technical specifications Brand SRAM Model S100 Eagle SRAM Code 00.7518.205.000 Speeds 12-speed Shifting technology X-Actuation™ Drivetrain configuration 1x Cage Long Cage Max cog 50 teeth Chain wrap capacity 40 teeth Cage material Steel Pulley material Steel Cassette compatibility SRAM Eagle 10-50T / 11-50T Mounting Standard hanger or Half Mount UDH Color Black Usage MTB, Trail, All Mountain, e-MTB

Sram XX1 Eagle 12-speed grip shifter The Sram XX1 Eagle 12-speed grip shifter is the ideal choice for those seeking maximum shifting precision in a lightweight and minimalist format. Designed for XC and the most demanding trail riding, this twist shifter allows you to control the entire Eagle 12-speed cassette with a simple wrist movement, without taking your fingers off the grip. The typical Sram reliability, combined with fast shifting and great ergonomics, makes it perfect for those who want a clean, responsive cockpit ready for every sprint. Sram XX1 Eagle 12-speed grip shifter main features: Specific twist shifter for Sram Eagle 12-speed transmissions Quick and precise shifting with wrist rotation, ideal for XC and marathon Lightweight and clean design for an essential, uncluttered cockpit Ergonomics designed to ensure a secure grip and control even on the most technical terrains Compatibility with Sram XX1 Eagle groups and other Eagle 12v components Sram reliability for intensive use in racing and training

The Sram XX T-Type Eagle AXS Groupset is the heart of modern high-performance MTB drivetrains. Designed for those who demand lightning-fast shifting, absolute precision, and maximum reliability on the most challenging terrains, this wireless electronic groupset brings T-Type technology directly to your frame. Whether you're tackling a marathon race, a long trail ride, or an enduro day, the Eagle AXS system works silently and without cables, leaving you with only the pleasure of riding. Total integration with the Eagle platform, robustness designed for gravity use, and electronic shifting management make this set the ideal choice for those who want to take their MTB to the next level. SRAM XX T-TYPE EAGLE AXS DUB 170MM 10-52T 34T FULL GROUPSET - MAIN FEATURES: Latest generation Sram XX T-Type Eagle AXS wireless electronic groupset Designed for Eagle T-Type drivetrains with maximum compatibility with the Eagle ecosystem Precise, fast, and silent shifting even under load T-Type architecture optimized to resist impacts and intensive MTB use Fully electronic management: no cables, no housings, reduced maintenance Components developed for racing use: XC, marathon, trail, and enduro Integration with the AXS app to customize shifting and update firmware Clean and modern design that improves bike aesthetics and functionality TECHNICAL SPECIFICATIONS Speed 12 speed Derailleur Technology T-Type / Eagle Transmission / Overload Clutch Pulleys 14t (upper) and 16t Magic Wheel (lower) Cage/Crank Material Aluminum (cage) / Hollow core carbon (crank arms) Crank Length 170 mm Chainring 34t (compatible only with Flat Top chains) Cassette XS-1297 X-Dome (10-52t) Gear Range 10-12-14-16-18-21-24-28-32-38-44-52 Chainline 55 mm (2.5 mm lateral offset) Remote Control AXS Pod (reversible right/left) Controller Power CR 2032 coin cell battery Component Weight Cassette: 380g | Chain: 247g | Controller: 48g Frame Compatibility Exclusively frames with UDH interface (Universal Derailleur Hanger) Setup Via SRAM AXS App (bike model, size, chainring)

The Sram NX Eagle 1x12v groupset is the ideal gateway to the world of Eagle 12-speed drivetrains: simple, robust, and ready to accompany you on every ride, from local trails to long days in the mountains. Designed for those who want the versatility of a 1x system without complications, this set combines Sram's signature reliability with precise and intuitive shifting. Whether you are upgrading your MTB or building a new bike from scratch, the NX Eagle offers a wide range of gears to tackle demanding climbs and fast descents, always maintaining control and pedaling fluidity. SRAM NX EAGLE DUB STANDARD 1X12V COMPLETE GROUPSET MAIN FEATURES: 1x12 speed drivetrain with a wide gear range for trail and all-mountain use Compatible with the Sram Eagle ecosystem for easy integration and future upgrades Rear derailleur designed for precise and stable shifting even on rough terrain Ergonomic shifter for quick and intuitive operation Ideal solution for switching to a 1x system while maintaining reliability and simplicity Designed to withstand intensive off-road use THE OFFERED GROUPSET CONSISTS OF: SRAM NX Eagle X-HORIZON 12-speed rear derailleur SRAM NX Eagle 12-speed trigger shifter SRAM NX Eagle 1x 12-speed crankset - DUB with 32 Eagle chainring for 49 mm standard chainline SRAM PG-1230 12-speed cassette - 11-50 for standard HG freehub SRAM NX Eagle 12-speed chain

XO Eagle Transmission (T-Type): race-proven performance and durability.The Sram X0 Eagle Transmission groupset revolutionizes the integration between frame and drivetrain. Thanks to the Full Mount attachment that wraps around the wheel axle, the system eliminates the traditional derailleur hanger, creating an ultra-robust connection. Designed for riders who accept no compromises, it offers millimetric shifting precision even under maximum effort, redefining durability standards in extreme off-road conditions. SRAM X0 T-TYPE EAGLE AXS FULL GROUPSET MAIN FEATURES: Total Synchronization: T-Type technology optimized for perfect shifting under full load. Full Mount Attachment: Fixing on both sides of the frame for superior structural rigidity. Active Protection: Overload Clutch and replaceable covers for simplified maintenance. Pod Ultimate Interface: Lightweight "click and fire" ergonomics, fully customizable via the AXS App. X0 Flattop Chain: Unique flat-top design to maximize strength and wear resistance. Dark Polar Finish: Specific PVD treatment for a premium aesthetic and corrosion protection. Technical Specifications Component Specifications Weight Rear Derailleur X0 T-Type Eagle Transmission (Full Mount) 452 g Crankset X0 Eagle 170/175 mm with 32T chainring 723 g Cassette X0 Eagle Transmission 10-52T 380 g Chain X0 Transmission Flattop (126 links) 286 g Controller Pod Ultimate AXS 47 g Additional Details & Compatibility Full compatibility with E-MTB systems Integrated Bashguard mount support Configuration and customization via Sram AXS App Replaceable wear components (B-Knuckle, covers) PVD chemical nickeling for extreme resistance Solid chain pins for high tensile loads AXS battery and charger included Simplified installation without derailleur hanger (UDH)

The washer set for Sram X.4/X.5/SX4/SX5/DD is the small component that makes a difference when it comes to keeping the derailleur always precise and reliable. Designed for SRAM derailleur groups of the X.4, X.5, SX4, SX5, and DD series, this washer kit allows you to replace or supplement worn parts, reducing unwanted play and annoying noise. Ideal both for those performing periodic maintenance and for those who simply want to refurbish an old bike without giving up SRAM brand quality, this set is a simple, economical, and immediate solution to extend the life of your derailleur and ensure smooth shifts on every ride. SRAM REAR DERAILLEUR PULLEY WHEELS X.4/X.5/SX4/SX5/DD main features: Compatible with SRAM derailleurs of the X.4, X.5, SX4, SX5, and DD series Set of specific washers for maintenance and replacement of worn parts Helps reduce play and noise in the shifting system Contributes to maintaining shifting precision and smoothness Economical solution to extend the life of the derailleur group Ideal for workshops, mechanics, and cyclists who perform self-maintenance

The Sram GXDH X-Actuation Trigger A2 shifter lever is designed for those who push their limits on descents, lap after lap. Born for gravity and downhill use, it offers precise and immediate shifting even in the most extreme situations, when vibrations are strong and the right gear is needed in a fraction of a second. The trigger-style ergonomics allow you to operate the shifter confidently while maintaining a firm grip on the handlebar. Reliable, robust, and with direct feel, this lever is the ideal choice to complete your Sram transmission dedicated to DH, guaranteeing total control and consistent performance on every run. SRAM GX DH 7S REAR SHIFTER main features: Shifter lever specifically designed for downhill / gravity use X-Actuation technology for precise and consistent shifting across the entire cassette Quick and intuitive trigger shifter Robust construction designed to withstand impacts and DH vibrations Compatible with 10/11-speed Sram downhill-dedicated transmissions (GX DH series) Ergonomics designed for excellent grip even with thick gloves Fluid actuation for quick gear changes under load Ideal for those seeking reliability and control on the most challenging descents

The Sram Red eTap Derailleur represents the essence of wireless electronic shifting: clean, essential, and incredibly precise. Born for top-level competitions, it brings to your road bike the same technology used by World Tour professionals. No cables, no housings: just a quick, reliable, and intuitive shift that allows you to focus solely on pedaling. Whether you are tackling a challenging climb, a final sprint, or a long granfondo, the Sram Red eTap always offers you the right gear at the right time, with immediate feedback and easy management even in the toughest conditions. Sram Red eTap Derailleur main features: Wireless electronic shifting for a clean transmission without cables Designed for competitive use on high-performance road bikes Precise and rapid actuation even under load Intuitive shifting interface with dedicated eTap logic Lightweight and compact design to reduce the overall bike weight High reliability in all weather conditions Compatibility with dedicated Sram Red eTap groupsets Simplified maintenance thanks to the absence of cables and mechanical housings

The SRAM X0 T-Type Eagle AXS 12-speed derailleur represents the new frontier of electronic transmissions for MTB: robust, precise, and fully designed for aggressive riding. Born for modern trail and enduro, it uses the T-Type architecture which integrates directly with the UDH frame, ensuring stable shifting even under full load. The absence of cables, the AXS electronic management, and the extremely resistant construction make it the ideal companion for those who want a clean, silent, and always ready transmission, from technical climbs to the most demanding descents. SRAM X0 T-Type Eagle AXS 12-speed main features: Wireless AXS electronic transmission for fast, precise, and cable-less shifting Compatible with 12-speed T-Type Eagle system for latest generation SRAM Eagle transmissions Designed for frames with UDH (Universal Derailleur Hanger) direct mount Optimized shifting even under load, ideal for trail and enduro use Robust and lightweight X0 construction, made for intensive use and harsh conditions Management and customization via SRAM AXS app (firmware updates, adjustments, battery monitoring) Reinforced design for maximum impact resistance and greater durability over time Compatible with dedicated SRAM Eagle T-Type 12v chains and cassettes Powered by rechargeable SRAM AXS battery (not always included, check configuration) Ideal for those seeking race performance with absolute reliability on the most technical terrains

Sram XX1 Eagle AXS Derailleur The Sram XX1 Eagle AXS Derailleur represents the ultimate evolution of the electronic derailleur for MTB: lightweight, precise, and completely wireless. Designed for those seeking racing performance and maximum reliability, this derailleur combines AXS technology with the proven Eagle 12-speed transmission, offering instant shifts even under load. Whether you are facing a marathon, an enduro race, or an epic mountain ride, the Sram XX1 Eagle AXS allows you to focus solely on the line to follow, leaving the technology to manage every shift with surprising smoothness. Sram XX1 Eagle AXS main features: Wireless electronic rear derailleur specific for MTB with 12 speeds AXS platform with management and customization through dedicated app Quick, precise, and reliable shifting even under heavy load Design optimized for Eagle 10-50T and 10-52T drivetrains Lightweight construction with premium materials for racing use Derailleur protection with clutch and intelligent impact management Compatible with all components of the Sram Eagle AXS family Ideal for XC, marathon, and high-performance trail riding BATTERY NOT INCLUDED

Rear derailleur NX EAGLE 12S - long cage, black The Sram Rear derailleur NX EAGLE 12S - long cage, black is the ideal choice for those who want to enter the world of 1x12 transmissions without giving up the typical reliability of Eagle. Designed to tackle technical trails, long climbs, and fast descents, it offers precise and secure shifting, even under load. The long cage allows you to handle wide-range cassettes, so you can always have the right gear, from the steepest climbs to the fast flat sections. Robust, functional, and ready to rack up the kilometers, it is the perfect companion to upgrade your MTB with a modern and high-performance transmission. Rear derailleur NX EAGLE 12S - long cage, black main features: Compatible with 12-speed transmissions for a wide range of gears Designed for cassettes with a maximum sprocket of 50 teeth Long cage for optimal chain management on wide-range cassettes Robust construction designed for MTB use on trail and all-mountain Precise and reliable shifting even under load Weight of about 340 g, ideal for durable and sturdy builds Elegant black finish that easily matches any bike Sram Eagle quality and technology for consistent performance over time TECHNICAL SPECIFICATIONS:USAGE: MTBSPEED: 12 1MAXIMUM SPROCKET SUPPORTED: 50 1CAGE LENGTH: LongCOLOR: BlackWEIGHT: 340 gMODEL: NX EAGLE 12SPOSITION: Rear

The new SRAM SX Eagle rear derailleur adopts the proven X-HORIZON design, specifically developed for SRAM 1x to handle 50-tooth cassettes, offering unmatched performance, durability, quiet operation, and precision. SRAM SX EAGLE 1X12V X-SYNC LONG CAGE REAR DERAILLEUR – KEY FEATURES: All the benefits of Eagle 1x12v technology Steel cage X-SYNC pulley technology for greater efficiency and quieter operation Cage Lock for easy wheel removal Long cage Compatible with the entire Eagle range and 11-50 or 10-50 tooth cassettes (NX, GX, X01, XX1)

New SRAM GX Eagle AXS T-Type rear derailleur. The Eagle transmission family now expands to the GX Eagle variant. The derailleur features the characteristics of the XX and X0 models, installs without a hanger, and the newly hidden battery compartment makes it even more durable. Precise and reliable shifting even under load. WITHOUT BATTERY. SRAM GX T-TYPE EAGLE AXS 12 REAR DERAILLEUR WITHOUT BATTERY Key Features: Hangerless interface, Full Mount attachment system Compatible with bikes using UDH hanger; Redesigned, more hidden battery position; Race-proven durability and reliability; Suitable for E-bike - Trail - All Mountain; Installation and connection via the reliable, familiar AXS setup and pairing procedure; Internal steel components for increased longevity; OVERLOAD CLUTCH “B-knuckle” cover and outer parallelogram parts replaceable; Manufacturer weight: 470 g; Without Battery

RED AXS E1 12v Rear Derailleur - Medium Cage (max 36t), Black, Battery Not Included The SRAM RED AXS E1 12v Rear Derailleur - Medium Cage (max 36t), Black, Battery Not Included is designed for those who demand the utmost in shifting precision and speed. It is made for the most demanding road and gravel bikes, where every gear change must be immediate, quiet, and reliable, even under load. The wireless AXS technology eliminates cables, offering a clean and modern cockpit, while the medium cage with up to 36-tooth capacity opens the door to more agile gearing for tackling tough climbs. Perfect for those looking to upgrade their group to the reference electronic platform, this derailleur is the heart of a lightweight, aerodynamic transmission fully customizable via app, ready to turn every ride into a smooth and controlled riding experience. RED AXS E1 12v Rear Derailleur - Medium Cage (max 36t), Black, Battery Not Included main features: SRAM RED AXS E1 12-speed wireless electronic rear derailleur Compatible with cassettes up to 36 teeth thanks to the medium cage Designed for high-performance road and gravel use Quick, precise, and quiet shifting even under load AXS platform with wireless connection and management via dedicated app Lightweight and aerodynamic design to reduce weight and air resistance Elegant and modern black finish, perfect for high-end bikes Compatible with the SRAM AXS ecosystem (shifters, power meter, etc.) Simple adjustments and clean cockpit thanks to cable-free design Battery not included, sold separately

Replacement inner cage for Sram GX Eagle T-type AXS rear derailleur. Compatible with GX Eagle AXS T-Type derailleur only.

New SRAM Red eTap AXS E1 2x12-speed derailleur. The AXS system ensures easy setup, monitoring, customization, and wireless reliability. SRAM Yaw cage technology is optimized for use with X-Range chainrings to ensure faster, more precise, and quieter shifting. Compatible with 46/33T, 48/35T, 50/37T, 52/39T, 54/41T, and 56/43T chainrings. SRAM RED ETAP AXS E1 2-Speed DERAILLEUR. BLACK WITHOUT BATTERY. MAIN FEATURES: Sram Red etap axs e1 derailleur Speed 2x12 Chain angle 61-66 degrees The new shape allows for faster, more precise and quieter gear changes AXS ensures easy setup, monitoring, customization and wireless reliability SRAM Yaw cage technology optimized for use with X-Range chainrings Product code 00.7618.180.000

EAGLE 90 TRANSMISSION T-TYPE 12v DERAILLEUR - long cage, black The Sram EAGLE 90 TRANSMISSION T-TYPE 12v DERAILLEUR - long cage, black, is designed for those who demand the most from their transmission, both in racing and on the most challenging trails. Engineered to work in perfect synergy with the Eagle Transmission T-Type 12-speed drivetrains, it offers precise, quiet, and stable shifting even under heavy load, so you can push the pedals without any worries. The long cage ensures compatibility with wide-range cassettes, ideal for trail, all-mountain, and enduro use, while the robust construction and design specifically for direct mount on the UDH dropout guarantee reliability and impact resistance. The all-black look completes your bike's aesthetic with a modern and aggressive style, perfect for those wanting a clean, high-performance drivetrain ready for anything. EAGLE 90 TRANSMISSION T-TYPE 12v DERAILLEUR - long cage, black main features: Sram Eagle 90 rear derailleur specific for 12-speed Transmission T-Type drivetrains Designed for direct mount on frame with UDH (Universal Derailleur Hanger) standard Long cage for compatibility with wide-range cassettes, ideal for trail/all-mountain/enduro use Precise and stable shifting even under heavy pedaling load Robust and impact-resistant structure for intensive off-road use Design optimized to reduce noise and improve drivetrain smoothness Black finish for a clean, modern look that easily matches any bike Compatible with Sram Eagle Transmission T-Type 12v chains and components

SHIMANO DEORE SGS 12S REAR DERAILLEUR The new Shimano Deore M6100 SGS rear derailleur offers high shifting performance with reduced tension in the low gear position. The larger 13T pulleys increase efficiency and chain retention, and the cassette is compatible with the new 12-speed SHIMANO cassettes. SHIMANO DEORE SGS 12S REAR DERAILLEUR MAIN FEATURES: SHIMANO SHADOW RD+ 1 x 12-speed rear derailleur. Fast and precise shifting, perfetto for moderna MTB. Quiet drivetrain in all gear positions. Reduced derailleur and chain tension in low gears. Larger 13T pulley. stabile drivetrain on rough terrain. The low-profile design evita damage caused by rocks. The chain stabilizer reduces chain drop, chain slap, and noise. ITEM CODE IRDM6100SGS

SHIMANO XTR SGS 11-12S REAR DERAILLEUR MEDIUM CAGE 10-45T The SHIMANO XTR SGS 11-12S REAR DERAILLEUR MEDIUM CAGE 10-45T makes shifting fast and quiet thanks to reduced tension in the low gear position and the addition of a bumper on the pulley cage. The larger 13T pulleys increase efficiency and chain management, while compatibility with the new 12-speed SHIMANO cassettes increases the range. SHIMANO XTR SGS 11-12S REAR DERAILLEUR MEDIUM CAGE 10-45T MAIN FEATURES: Improves shifting performance. Optimized for the new drivetrain system. Quiet transmission. Reduced rear derailleur tension in low gear position to avoid high chain tension in low gear. Addition of a bumper to the rear derailleur pulley cage. Larger 13T pulley. Low-profile design. SHIMANO SHADOW RD+. Low gear sprocket combination. 10-51T (12 speed). ITEM CODE IRDM9100SGS