Shimano Ultegra FC-R8100 Fixing Bolt & Nut
Best replacement hardware for road cyclists prioritizing drivetrain security.
These essential hardware components ensure a secure connection between chainrings and high-performance cranksets. Engineered for precision and durability, this kit provides a reliable replacement for worn or damaged drivetrain hardware, maintaining optimal power transfer and system integrity.
$39.60
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Who it's for
- Road cyclists seeking reliable drivetrain stability and performance
- Weight-conscious riders prioritizing durable and efficient components
- Mechanics and DIYers maintaining modern Shimano 12-speed drivetrains
Who should skip it
- Owners of older or non-Shimano cranksets needing universal hardware
- Budget-focused commuters looking for the most affordable repair options
- Casual riders without access to specialized bicycle maintenance tools
Performance breakdown
Material Durability
High-grade aluminum resists stripping and maintains tension under heavy torque loads.
Compatibility Precision
Engineered specifically for R8100 cranksets to ensure a perfect, flush fit.
Installation Ease
Standard hex interface makes swapping out old hardware straightforward and quick.
Weight Efficiency
Lightweight alloy construction keeps rotational mass low for performance-focused riders.
Drivetrain Security
Provides rock-solid chainring attachment, eliminating unwanted flex during power transfer.
Finish Quality
Black anodized coating resists corrosion and matches the sleek Ultegra aesthetic.
Key Specs
Drive Type
2x
Speed Compatibility
12 Speed
Material
Aluminum
Quantity
8 (4 Bolts, 4 Nuts)
Length
10.1mm
Color
Black
Component Application Area
Crankset
Know before you buy
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