Wheels Manufacturing Derailleur Shim
Best precise adapter for seamless component compatibility.
This simple component bridges the gap between mismatched frame and derailleur sizes. It provides a secure, precise fit, ensuring that drivetrain components align perfectly without the need for replacing entire parts.
$10.45
More Derailleur Shim options
Who it's for
- Cyclists upgrading or reusing components with different tube sizes
- Budget-conscious builders and mechanics reusing existing parts
- Riders needing a reliable, stable front derailleur installation
Who should skip it
- Beginner mechanics or those preferring simpler setups
- Disorganized mechanics or those working in busy environments
- Generalists or those needing broader compatibility solutions
Performance breakdown
Fit precision
Engineered tolerances ensure a rock-solid connection without any annoying component slip.
Installation simplicity
Snaps into place quickly, making drivetrain swaps straightforward and stress-free.
Material durability
Robust construction withstands clamping forces without deforming or losing structural integrity.
Compatibility range
Specific sizing limits versatility but solves a very common frame mismatch.
Weight efficiency
Minimalist design adds negligible weight to your overall bike build.
Cost-saving utility
Prevents expensive derailleur replacements by bridging critical frame size gaps.
Key Specs
Part Type
Derailleur Shim
Compatibility
Adapts 1-1/4 inch derailleur clamp to 1-1/8 inch seat tube
Size Range
28.6mm to 31.8mm
Know before you buy
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