Shimano Ultegra FC-R8100 Crank Arm
Best high performance upgrade for serious road cyclists seeking efficiency.
A precision-engineered replacement component designed to restore drivetrain efficiency and stiffness. It offers a lightweight, durable solution for riders maintaining their existing setup without compromising on performance or reliability.
$139.50
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Shimano Ultegra FC-R8100 Crankset
$95.11
Shimano Ultegra FC-R8100-P Crankset
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Who it's for
- Performance-oriented road cyclists seeking a responsive and lightweight drivetrain
- Competitive racers who demand flawless gear transitions during intense efforts
- Enthusiasts looking for a premium look that matches high-end components
Who should skip it
- Budget-conscious riders looking for the best value-to-performance ratio
- High-mileage commuters or riders who prioritize long-term cosmetic perfection
- Home mechanics who prefer universal standards for easier self-servicing
Performance breakdown
Power Transfer Efficiency
Hollowtech II design ensures minimal flex under high-wattage sprint efforts.
Weight-to-Stiffness Ratio
Hollow construction sheds grams without compromising structural integrity or responsiveness.
Drivetrain Integration
Seamless compatibility with 12-speed systems ensures flawless, reliable shifting performance.
Build Durability
Anodized aluminum finish resists wear and maintains a premium aesthetic.
Installation Simplicity
Standardized interface makes swapping or maintenance straightforward for home mechanics.
Component Longevity
Engineered to withstand thousands of miles of rigorous, all-weather riding.
Key Specs
Material
Anodized aluminum
Spindle Interface Type
Shimano Hollowtech II
Crank Arm Length
165 mm
Color
Black
Drivetrain Speed Compatibility
12 speed
Know before you buy
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