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THM Tibia ICR Road Stem
June 9, 2025$710.00
One of the lightest stems in the world. Only 90 grams
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THM Tibia ICR Road Stem
The THM Tibia ICR Road Stem is one of the lightest and most refined stems on the market. Built entirely from carbon, this stem weighs less than 100 grams. The Tibia ICR uses THM’s advanced layup and clamping design to deliver optimal strength while keeping weight to a minimum. It is also made to soak up bumps in the road and provide excellent dampening. This stem is perfect for cyclists who want to build a clean, integrated cockpit without sacrificing stiffness or performance.
Product Details
Key Features of the THM Tibia ICR Stem
- Ultralight Carbon Construction:Â Built entirely from carbon fiber with a refined layup for incredible strength and low weight.
- Stiffness with Vibration Damping: The stem’s design minimizes tension differences, resulting in a super-stiff structure that still offers excellent damping properties to absorb road chatter.
- Four Bolt Faceplate Design: Unique design delivers secure clamping with even pressure distribution, reducing stress on handlebars.
- Handmade in Germany: Crafted with attention to detail and engineering excellence, using THM’s signature carbon molding process.
Compatibility
The Tibia ICR is compatible with 1 1/8″ steerer tubes and handlebars with a 31.8 mm clamp diameter. See Compatibility tab for more information.
Considerations
The THM Tibia ICR Road Stem is a premium component with a price to match. Riders are paying for top-tier engineering, handmade carbon construction and one of the lightest stems available. Additionally, the Tibia does not support full internal routing through modern integrated headsets, which may limit compatibility with some newer aero frames.
Advice From Our Staff
We believe the THM Tibia ICR Road Stem is a standout choice for riders building a lightweight, high-performance road bike. The PMC staff feels it works best for performance-focused road cyclists who prioritize low weight, clean aesthetics and stiffness – but don’t require full headset integration. If you’re building a dream bike with boutique components and appreciate the details, this stem belongs on your list.
Compatibility
- Steerer Tubes: Compatible with 1 1/8" steerer tubes.
- Handlebars: Works with handlebars that use a 31.8 mm clamp diameter.
Specs
- Material: Carbon Fiber
- Hardware Material: Titanium
- Weight: 100 mm - 90 grams
- Rise: - 6°
- Steerer Clamp Diameter: 1 1/8"
- Clamp Diameter: 31.8 mm
In the Box
- THM Tibia ICR Road Stem
- Carbon fiber grip paste
Tools Needed for Installation
You will need the following tools for installation of this product. You can shop for the required tools on our Tools Page.
- T20 Torx key
Q&A
Have a question about this? Ask the staff.
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