PRO Tharsis Stem
Best lightweight stem for aggressive mountain bikers seeking precision and control.
A precision-engineered component designed for riders who demand stiffness and control on technical trails. The CNC-machined construction balances weight and durability, making it a reliable choice for aggressive mountain biking setups.
$140.00
Who it's for
- Aggressive riders needing precise steering and front-end stiffness
- Mountain bikers demanding extreme durability for rugged terrain
- Cyclists prioritizing a clean, integrated cockpit aesthetic
Who should skip it
- Riders restricted by existing 31.8mm handlebar setups
- Cyclists sensitive to trail vibration and hand fatigue
- Weight-conscious racers seeking the lightest possible build
Performance breakdown
Steering Precision
The 35mm clamp diameter creates a noticeably rigid, responsive front end.
Weight Efficiency
Forged alloy construction keeps mass low without sacrificing necessary structural integrity.
Build Durability
AL 7075 alloy offers exceptional resistance to the stresses of aggressive riding.
Cockpit Adjustability
Flipable geometry provides essential flexibility for dialing in your preferred riding position.
Installation Ease
Standard four-bolt faceplate design makes setup straightforward for most home mechanics.
Trail Stability
Engineered to handle high-impact terrain with confidence-inspiring stiffness and control.
Key Specs
Stem Length
90 mm
Stem Angle
±9 degrees
Handlebar Clamp Diameter
35 mm
Material
3D forged AL 7075 alloy
Weight
150 g
Intended Use
Mountain Biking
Construction Method
Forged
Number of Handlebar Clamp Bolts
4
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