Soma IRD Sliding Dropout
Best adjustable dropout for custom frame builders seeking versatile drivetrain options.
This is the essential fix for keeping your frame’s geometry dialed and your drivetrain tensioned perfectly. It offers a precise, flat-mount interface for modern braking setups, though you will need to source your own mounting hardware to complete the installation.
$49.95
Who it's for
- Cyclists seeking flexibility between minimalist and geared builds
- Single-speed riders prioritizing a quiet and efficient drivetrain
- Disc brake users wanting consistent braking performance after adjustments
Who should skip it
- Weight-conscious riders looking for the lightest possible frame build
- Low-maintenance commuters who prefer a set-it-and-forget-it setup
- Budget-focused builders looking to minimize total component expenses
Performance breakdown
Manufacturing Precision
Machined to exact tolerances for a seamless, rattle-free frame interface.
Material Durability
Robust alloy construction withstands the high torque of aggressive riding.
Installation Complexity
Straightforward swap, though lack of included hardware adds a minor step.
Brake Alignment
Flat mount interface ensures consistent, reliable caliper positioning every time.
Compatibility Specificity
Highly specialized fit requires careful verification of your specific frame model.
Structural Rigidity
Maintains rear triangle stiffness essential for precise handling and power transfer.
Key Specs
Frame Model
Soma various
Part Type
Sliding Dropout
Mounting Type
Flat Mount
Dropout Spacing
142mm
Side
Left
Quantity per Pack
1
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