Description
Promax MQ-573-BK
The Promax MQ-573-BK is a reliable, adjustable quill stem made of robust aluminum, specifically developed for comfort-oriented city, trekking, and urban e-bikes. With a quill diameter of 25.4 mm, a compact extension of 90 mm, and a quill length of 180 mm, this stem offers the ideal basis for a precise adjustment of the cockpit. Thanks to the stable adjustment mechanism, the angle of inclination can be individually adjusted to choose either an upright, back-friendly riding style or a sportier position.
The high-quality black anodization protects the material permanently from weather conditions, corrosion, and mechanical abrasion. Due to its solid construction, the stem guarantees high torsional rigidity and riding safety, even under the increased loads and vibrations of an e-bike drive system. Optimally suited for an uncomplicated replacement or upgrade on classic forks with a threaded headset.
Top features:
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Individual angle adjustment: Allows for the perfect ergonomic adaptation of the handlebar to specifically relieve strain on the neck, shoulders, and wrists.
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High torsional rigidity: The robust aluminum construction safely absorbs the increased forces of e-bikes during everyday use and on tours.
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Weatherproof anodization: The matte black finish ensures a long-lasting design and reliably protects against corrosion.




