IRD Stem Heron
Best quill stem for bike shops servicing vintage threaded setups.
This tall quill stem finally solves the headache of vintage cockpit swaps with a modern four-bolt faceplate that lets you keep your grips and levers intact. It’s a rugged, steel-built upgrade for threaded setups that prioritizes mechanical convenience without sacrificing that classic, slender aesthetic.
$109.95
Who it's for
- Cyclists seeking a more upright, comfortable riding position
- Touring riders and vintage bike restoration enthusiasts
- Owners of older bicycles with threaded steerer tubes
Who should skip it
- Riders with modern threadless steerer tube setups
- Performance cyclists prioritizing aggressive handling and responsiveness
- Mechanics preferring the simplicity of modern threadless systems
Performance breakdown
Installation convenience
Removable faceplate eliminates the hassle of removing grips and brake levers.
Material durability
TIG-welded CrMo steel offers superior strength and long-term structural integrity.
Compatibility range
Versatile options for bar diameters and extensions fit most classic builds.
Aesthetic finish
Fine sandblast finish provides a clean, understated look for vintage restorations.
Adjustability
Fixed 20-degree angle limits fine-tuning compared to modern adjustable stems.
Weight profile
Steel construction adds noticeable heft compared to lightweight aluminum alternatives.
Key Specs
Clamp Diameter
25.4mm or 31.8mm
Extension
80mm, 100mm, or 120mm
Quill
190mm with 22.2mm OD (min. insertion line at 80mm)
Angle
20°
Material
TIG-welded CrMo steel
Finish
Fine sandblast finish
Compatibility
1" threaded headsets and 1" threaded forks
Still have a question?
Ask Metto anything about the IRD Stem Heron before you decide.
