Product details
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Shimano XT M8100 Rear Derailleur Long cage Grey
About This Item
Rear Der Shimano RD-M8100 XT 12-Speed SGS Shadow+
The next generation of Shimano XT is here
The heart of Shimano XT 12-speed drivetrains features a low profile design with seamless shifting.
The Shimano Deore XT RD-M8100 rear derailleur is designed to provide smooth and stable shifting for 12-speed mountain bike drivetrains on any trail.
Key Features
Long cage is designed to be used with 1x12 drivetrain systems
Fast and shockless shifting
Low-profile design includes a bumper added to the derailleur pulley cage
Shimano Shadow RD+ technology reduces chain slap for a quieter drivetrain
Decreased rear derailleur and chain tension in low gear
Bigger 13T pulley
Features
Shimano XT
Shimano XT is the original mountain bike groupset and trusted by generations of mountain bikers around the world. Whatever the trail, wherever you ride, XT is your solution for mountain biking today. Reliable shifting. Superior braking. Intuitive maintenance. XT is the high performance workhorse you can count on.
Shadow RD+
Shimano's Shadow RD+ technology uses an adjustable rear derailleur clutch to reduce chain slap over rough terrain. This simple chain drop solution is lighter and more efficient than roller bearing chain management devices.
Specifications
Color Grey
Size Long cage
Gender unisex
Intended User Age 12 years and over
Model Year 2026
Specifications
Brand Shimano
Condition New
Model ADVENT Rear Derailleur
Type Derailleur
Part type Rear Derailleur
Bike type Derailleur (rear)
Size Long cage
Colour Grey
Frame size Long cage
Manufacturer part number IRDM8100SGS
Unbeatable Year-Round Bargains
Wheel & Sprocket has been family owned since 1973, with shops across Milwaukee, the Fox Valley, Madison and Chicagoland. Every order is picked and packed by people who ride, and if something is not right a mechanic will answer you — not a script.
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Wheel & Sprocket Outlet · Item 192790443645
Item specifics
| Condition | New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ... |
|---|---|
| Size | Long cage |
| Sport Activity | Cycling |
| Product Model | ADVENT Rear Derailleur |
| Model Year | 2026 |
| Gear Change Mechanism | 12-speed |
| Frame Size | Long cage |
| Finish | Grey |
| Derailleur Cage Length | Long Cage |
| Compatible Brand | Shimano |
| Bike Type | Derailleur (rear) |
| Country of Origin | Japan |
| Brand | Shimano |
| Color | Black |
| Model | DEORE XT |
| Compatible Bike Type | Dirt Jumper, Cyclocross Bike, Mountain Bike |
| MPN | IRDM8100SGS |
| Material | Alloy |
| Number of Speeds | 12 Speed |
| Number of Items | 1 |
| Part Type | Rear Derailleur |
