Shimano Ultegra Front Derailleur Clamp Shim
Best essential component for precise derailleur fit and optimal shifting.
This simple adapter solves compatibility issues when upgrading or swapping frames. It allows a standard derailleur clamp to fit securely onto a smaller seat tube, ensuring precise shifting performance without needing to replace the entire derailleur.
$51.99
More Ultegra options
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Shimano Di2 RD-R8050-SS Rear Derailleur
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Shimano Ultegra R8000 Front Derailleur
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Shimano Ultegra R8000 Rear Derailleur
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Shimano Ultegra R8150 Di2 Front Derailleur
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Shimano Ultegra Rear Derailleur
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Shimano Ultegra Di2 Front Derailleur
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Shimano Ultegra R8050 Di2 Rear Derailleur
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Shimano Ultegra FD-R8000 Front Derailleur Link Cover
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Shimano Ultegra FD-R8050
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Shimano Ultegra RX800 Rear Derailleur
$117.99
Shimano Ultegra RX
$129.60
Shimano Ultegra Rear Derailleur
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Shimano Ultegra R8000 Front Derailleur
$65.00
Shimano Ultegra RD-R8150F Di2 Rear Derailleur
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Shimano Ultegra RD-R8000-GS
$125.00
Shimano Ultegra Rear Derailleur
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Shimano Ultegra R8050 Di2 Rear Derailleur
$289.99
Shimano Ultegra FD-R8000 Front Derailleur
$65.00
Shimano Ultegra FD-R8000
$75.00
Shimano Ultegra RD-R8150F Di2 Rear Derailleur
$470.00
Shimano RD-RX805-GS Bracket Axle Unit
$44.10
Shimano Ultegra RD-X805 Di2
$284.99
Shimano Ultegra FD-6700-G Front Derailleur
$60.99
Shimano Ultegra RD-R8000-SS Rear Derailleur
$80.99
Who it's for
- Cyclists with braze-on derailleurs and clamp-on frames.
- Riders seeking to adapt existing components affordably.
- Mechanics and riders prioritizing original equipment quality.
Who should skip it
- Users with different derailleur models or seeking universal compatibility.
- Novice mechanics or those without proper torque tools.
- Weight-conscious racers or ultralight build enthusiasts.
Performance breakdown
Compatibility Precision
Engineered specifically to bridge the gap between standard Shimano clamp diameters.
Installation Simplicity
Snaps into place easily, requiring minimal tools for a secure fit.
Structural Integrity
Maintains rigid derailleur positioning without slipping under high shifting torque.
Material Durability
Resists deformation and corrosion, ensuring long-term reliability in all weather.
Alignment Stability
Prevents derailleur rotation, keeping cable tension consistent for crisp gear changes.
Upgrade Versatility
An essential, cost-effective solution for adapting components across different frame sizes.
Key Specs
Inner Diameter
28.6 mm
Outer Diameter
31.8 mm
Weight
226.8 grams
Mounting Type
Clamp-on
Component Application Area
Drivetrain
Part Type
Adapter
Compatible Brand
Shimano
Bike Type Compatibility
Road Bike
Quantity Per Pack
1
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