Shimano XT M8100 Rear Derailleur
Best reliable shifting for demanding mountain bike enthusiasts.
This component brings refined, reliable shifting to 12-speed mountain bike setups. Its low-profile architecture and integrated clutch mechanism effectively silence chain slap, making it a standout choice for riders who prioritize a quiet, stable drivetrain on technical trails.
$145.00
at
Moment Bicycles (Moment Bike Shop)
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Who it's for
- Mountain bikers demanding consistent, rapid shifts on varied terrain.
- Aggressive trail riders needing reliable chain security over rough descents.
- Riders prioritizing long-term reliability and resilience in their components.
Who should skip it
- Budget-conscious cyclists or casual riders not requiring top-tier performance.
- Custom builders or upgraders with existing non-Shimano 12-speed components.
- Elite racers or gram-counting enthusiasts seeking the absolute lightest setup.
Performance breakdown
Shift Precision
Crisp, immediate gear changes even under heavy pedaling loads.
Chain Stability
Shadow RD+ clutch effectively eliminates chain slap on technical descents.
Durability
Robust construction withstands aggressive riding and frequent trail impacts.
Weight Efficiency
Lightweight enough for racing without sacrificing necessary structural integrity.
Clearance
Low-profile design keeps the derailleur tucked safely away from trail obstacles.
Drivetrain Range
Seamlessly handles wide-range 12-speed cassettes up to 51 teeth.
Key Specs
Drivetrain Speeds
12
Cage Length
Long
Mount Type
Shimano Rear Direct Mount
Max Rear Cog Teeth
51
Total Capacity
41 teeth
Weight
284 g
Color
Black
Know before you buy
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