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Front derailleurs
Shimano Shimano 105 FD-R7100 Front Derailleur
31.8 mm clamp · 28.6 mm adapter included
Compatibility: reviewed
Known specifications can be used by the compatibility engine.
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Evidence and freshness
Technical-source dates and retailer offer checks are separate. A retailer check does not validate compatibility.
Report a correction- Technical review
- Jul 28, 2026
- Compatibility review
- Reviewed Jul 28, 2026
Approved technical sources
- Shimano front drivetrain compatibility C-455ManufacturerSource checked Jul 27, 2026Evidence reviewed Jul 28, 2026
- Shimano package labelling informationManufacturerSource checked Jul 27, 2026Evidence reviewed Jul 28, 2026
- Shimano road front derailleur specificationManufacturerSource checked Jul 27, 2026Evidence reviewed Jul 28, 2026
Technical data
Specifications
- Speeds
- 12-speed
- Supported speeds
- 12-speed
- Compatible drivetrain families
- Shimano 105 mechanical 12-speed
- Compatible chain families
- Shimano HG 12-speed
- Front drivetrain groups
- Shimano C455 105 Mechanical 2x12
- Front speeds
- 2x
- Shift actuation
- Mechanical
- Front derailleur mount
- Clamp Band
- Front derailleur clamp diameter
- 31.8 mm
- Minimum outer chainring
- 50T
- Maximum outer chainring
- 52T
- Total capacity
- 16T
- Minimum chainstay angle
- 61°
- Maximum chainstay angle
- 66°
- Chainline
- 44.5 mm