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![DERAILLEUR SHIMANO XTR SHADOW+ RD-M9100 12SP LONG CAGE [51T MAX]](https://summitcycles.bike/wp-content/uploads/2025/06/xtr-der-300x201.webp "DERAILLEUR SHIMANO XTR SHADOW+ RD-M9100 12SP LONG CAGE [51T MAX]")
$249.00
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Shimano XTR RD-M9100 12-speed Rear Derailleur
The Shimano XTR RD-M9100 12-speed rear derailleur features an elegant yet aggressive angled design and an attractive anodised aluminium surface. The derailleurs feature bigger 13-tooth pulleys and include Shimano’s proven Shadow RD+ low profile technology.
• 10-51T ,12-speed
• Sealed Bearing Pulley
• Low Profile
$62.00
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Genuine SRAM replacement inner cage and screws for GX Eagle 52T Rear Derailleur.
- Product Code: 11.7518.098.001
- Includes inner cage and screws
- Can take up to 52 teeth rear sprocket
- Colour: Lunar
$64.00
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SRAM GX Eagle Pulley Kit
SRAM GX Eagle OE replacement pulley set with hardware. These pulleys must be installed in the correct positions. Lower pulley is larger than the upper pulley.
In the box
- Lower pulley
- upper pulley
- Pulley mounting hardware
$149.00
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Take your 12-speed mountain bike drivetrain to the next level with the Deore XT M8100 rear derailleur. Designed for fast, smooth, and silent shifting, this derailleur is engineered to handle the most demanding trails while giving you maximum gear range and precise chain control.
- Long cage design for wide-range 12-speed drivetrains
- Optimized for 10–51T sprocket combinations
- Reduced chain tension for quieter operation
- Large 13T pulley wheels for improved efficiency
- Added bumper on pulley cage to reduce shock and chain slap
- Smooth, fast, and precise shifting across all gears
$199.00
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Riders want the derailleur to do its job shifting on command, whether under climbing load or the stage finish. The GX Eagle™ derailleur gets it done with an updated cage architecture that improves chain management. Refined to work with the new 10-52t cassettes, it’s also backwards compatible for the 10-50t versions. Giving riders choice, because that’s how it should be. Finished with the new GX Eagle™ master colorway – to compliment any cassette and chain colorway a rider wants from the Eagle™ Colorsystem. Further proof that the GX Eagle™ derailleur is there for one thing – to do the job.
• Compatible with sram eagle ecosystem
• Cable operated
$368.00
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Elevating the shift, expanding the capable, the X01 Eagle™ derailleur features an updated cage architecture, to provide better chain management than ever. The X01 Eagle™ rear derailleur works with the new 10-52t cassettes and is backwards compatible to also work with 10-50t options.
• 12 Speed • Backwards compatible, works with 10-50t and new 10-52t cassettes. • Updated Roller bearing clutch
$199.00
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REAR DERAILLEUR CAGE ASSEMBLY KIT GX T-TYPE EAGLE AXS
(FULL REPLACEMENT CAGE ASSEMBLY INCLUDING OUTER AND INNER CAGES, DAMPER AND PULLEYS)
$38.00
Our replacement Transmission RD cover kits allow you to maintain your Transmission derailleur as it takes on wear from your rides. We know that crashes are inevitable and sometimes your bike bears the brunt of the damage. With our Cover Kits and other Transmission spare parts you can easily repair your derailleur without needing to replace the whole thing, leaving your wallet a little heavier and your bike ready to go sooner.
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$229.00
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Full Replacement Cage Assembly Kit for the SRAM Transmission rear derailleurs.
Only compatible within the SRAM Transmission group
Includes:
- Outer and Inner Cages
- Damper
- Pulley Wheels
$461.00
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Occupying a new realm in shifting performance, the redesigned XX1 Eagle™ derailleur gives no-compromise racers and dream-bike builders a true top-tier option. The crisp, precise XX1™ shifting feel athletes rely on now features an updated cage geometry for improved chain management. Occupying its rightful place at the top of the Eagle™ ecosystem, the XX1 Eagle™ rear derailleur makes full use of the new 10-52t cassettes and is backwards compatible to also work with the 10-50t.
• Carbon Fibre outer cage
• A new stronger Type 3 roller bearing clutch
• 14t X-SYNC Lower Jockey Wheels