Promax MQ-579-5 Adjustable Quill Stem
Best ergonomic upgrade for casual riders seeking improved posture and comfort.
This adjustable quill stem provides a versatile solution for dialing in your riding position. With a wide angle range and standard compatibility, it is an ideal upgrade for commuters or vintage bike restorations seeking improved comfort and control.
$54.99
Who it's for
- Recreational cyclists seeking relief from back or wrist strain
- Casual bike owners performing their own basic maintenance or upgrades
- Daily commuters looking for reliable components for city riding
Who should skip it
- Weight-conscious riders prioritizing speed and uphill efficiency
- Low-maintenance users who prefer a set it and forget it component
- Aggressive cyclists or sprinters who require maximum power transfer
Performance breakdown
Ergonomic Versatility
The wide angle range makes finding your perfect riding posture effortless.
Build Robustness
Aluminum construction provides a reliable, sturdy feel for daily commuting.
Weight Efficiency
The substantial weight is a trade-off for its heavy-duty adjustability.
Installation Simplicity
Standard sizing ensures a straightforward swap for most vintage quill setups.
Compatibility Range
Limited to 25.4mm standards, excluding modern oversized handlebar and steerer options.
Adjustment Precision
The locking mechanism holds your chosen angle securely without unwanted slipping.
Key Specs
Material
Aluminum
Weight
725.75 grams
Stem Length
110 mm
Handlebar Clamp Diameter
25.4 mm
Steerer Tube Clamp Diameter
25.4 mm
Stem Type
Quill
Adjustable Angle
90-140 degrees
Know before you buy
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Ask Metto anything about the Promax MQ-579-5 Adjustable Quill Stem before you decide.
