{"id":38518,"date":"2025-03-12T12:18:53","date_gmt":"2025-03-12T11:18:53","guid":{"rendered":"https:\/\/www.urbanbiker.com\/producto\/promax-adjustable-stem-viena-23\/"},"modified":"2026-06-18T21:50:24","modified_gmt":"2026-06-18T19:50:24","slug":"stem-adjustable-promax-for-viena","status":"publish","type":"product","link":"https:\/\/www.urbanbiker.com\/en\/product\/stem-adjustable-promax-for-viena\/","title":{"rendered":"Stem adjustable Promax for Viena"},"content":{"rendered":"<h5 data-path-to-node=\"1\"><strong>Promax MQ-573-BK<\/strong><\/h5>\n<p data-path-to-node=\"2\">The <strong>Promax MQ-573-BK<\/strong> is a reliable, adjustable quill stem made of robust aluminum, specifically developed for comfort-oriented city, trekking, and urban e-bikes. With a quill <strong>diameter<\/strong> of <strong>25.4 mm<\/strong>, a compact extension of <strong>90 mm<\/strong>, and a quill length of <strong>180 mm<\/strong>, 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.<\/p>\n<p data-path-to-node=\"3\">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.<\/p>\n<p data-path-to-node=\"4\"><b data-path-to-node=\"4\" data-index-in-node=\"0\">Top features:<\/b><\/p>\n<ul data-path-to-node=\"5\">\n<li>\n<p data-path-to-node=\"5,0,0\"><b data-path-to-node=\"5,0,0\" data-index-in-node=\"0\">Individual angle adjustment:<\/b> Allows for the perfect ergonomic adaptation of the handlebar to specifically relieve strain on the neck, shoulders, and wrists.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"5,1,0\"><b data-path-to-node=\"5,1,0\" data-index-in-node=\"0\">High torsional rigidity:<\/b> The robust aluminum construction safely absorbs the increased forces of e-bikes during everyday use and on tours.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"5,2,0\"><b data-path-to-node=\"5,2,0\" data-index-in-node=\"0\">Weatherproof anodization:<\/b> The matte black finish ensures a long-lasting design and reliably protects against corrosion.<\/p>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<h6><strong>Stem adjustable Promax for Viena<\/strong><\/h6>\n<p>Optimize your riding position in no time at all: the angle-adjustable <strong>Promax MQ-573<\/strong> quill stem brings maximum flexibility and noticeable ergonomic comfort to your e-bike or trekking bike.<\/p>\n<p>Adjustable stem for Viena 23 by Promax. <strong>Only valid for Viena models (with 720Wh or 960Wh battery).<\/strong><\/p>\n","protected":false},"featured_media":37996,"template":"","meta":{"_acf_changed":false},"product_cat":[344,379],"product_tag":[],"class_list":["post-38518","product","type-product","status-publish","has-post-thumbnail","product_cat-components","product_cat-address","pa_ebike-viena","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Stem adjustable Promax for Viena 23 | UrbanBiker<\/title>\n<meta name=\"description\" content=\"Adjustable stem of the Promax brand. 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