Problem Solvers Direct Mount Adapter
Best solution for cyclists upgrading older frames to modern drivetrain standards.
This adapter solves the common headache of mounting modern derailleurs on frames lacking the correct interface. It provides a clean, sturdy mounting point for both standard and wide-bottom-bracket bikes, making drivetrain upgrades significantly easier.
$39.99
Who it's for
- Budget-conscious riders upgrading components without replacing their frame
- Cyclists retrofitting older frames with modern derailleur technology
- Mechanics fine-tuning shifting performance on custom bike builds
Who should skip it
- Weight-obsessed racers prioritizing the lightest possible bike setup
- Aggressive riders demanding maximum stiffness for high-torque shifting
- Owners of frames with tight clearances or complex suspension pivots
Performance breakdown
Frame Compatibility
Adapts nearly any frame geometry to modern direct-mount shifting standards.
Build Integrity
Robust 6061 aluminum construction ensures a stiff, reliable derailleur interface.
Installation Versatility
Handles standard and fat bike bottom bracket widths with ease.
Adjustment Precision
Included shims make dialing in the clamp diameter straightforward and secure.
Weight Efficiency
Lightweight aluminum design keeps your custom build from feeling unnecessarily heavy.
Upgrade Utility
The essential bridge for modernizing older frames or complex custom builds.
Key Specs
Material
6061 Aluminum
Component Application
Front Derailleur
Mounting Type
Clamp-on
Compatibility
68/73mm and 100mm bottom bracket shells
Clamp Diameter
34.9mm (includes shim for 31.8mm)
Intended Use
Mountain, Fat, and Snow bikes
Derailleur Position
Front
Application Area
Drivetrain
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