{"id":6321,"date":"2026-01-28T21:09:14","date_gmt":"2026-01-28T21:09:14","guid":{"rendered":"https:\/\/www.sportshine.eu\/?post_type=product&#038;p=6321"},"modified":"2026-07-29T10:33:17","modified_gmt":"2026-07-29T10:33:17","slug":"rear-bicycle-light-led-gaciron-w03","status":"publish","type":"product","link":"https:\/\/www.sportshine.eu\/en\/shop\/rear-bicycle-light-led-gaciron-w03\/","title":{"rendered":"Gaciron W03 LED rear bicycle light"},"content":{"rendered":"<h4>Superior road safety with intelligent braking sensor and green laser<\/h4>\n<p>Rear bicycle light <strong>Gaciron W03 <\/strong>represents the pinnacle of bicycle safety light technology. It combines a highly accurate braking sensor, automatic brightness adjustment, automatic on\/off when moving, and a green laser beam that outlines your safety zone on the road.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone wp-image-5152 size-full\" src=\"https:\/\/www.sportshine.eu\/wp-content\/uploads\/2025\/07\/zmogljiva-zadnja-kolesarska-luc.jpg\" alt=\"\" width=\"800\" height=\"800\" srcset=\"https:\/\/www.sportshine.eu\/wp-content\/uploads\/2025\/07\/zmogljiva-zadnja-kolesarska-luc.jpg 800w, https:\/\/www.sportshine.eu\/wp-content\/uploads\/2025\/07\/zmogljiva-zadnja-kolesarska-luc-768x768.jpg 768w, https:\/\/www.sportshine.eu\/wp-content\/uploads\/2025\/07\/zmogljiva-zadnja-kolesarska-luc-600x600.jpg 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h4>Main advantages and technological features:<\/h4>\n<ul>\n<li><strong>Advanced braking sensor:<\/strong> The built-in accelerometer detects any decrease in bike speed with high accuracy and automatically turns on a bright warning light for 3 seconds, thus warning vehicles behind you in time.<\/li>\n<li><strong>Green laser safety beam:<\/strong> A powerful green laser projects a luminous safety strip onto the road behind the cyclist. The laser function and the braking sensor can be individually switched on or off at your discretion.<\/li>\n<li><strong>Intelligent Smart Mode (Smart Auto Start\/Stop):<\/strong> With a built-in light sensor, the light automatically adjusts its brightness depending on the day or night conditions. In addition, it automatically turns off to save battery when the bike is stationary (more than 2 minutes) and turns back on immediately when vibrations or movement are detected.<\/li>\n<li><strong>Magnetic fastening system:<\/strong> The compact housing allows for extremely quick and easy installation and removal of the lamp using a strong magnetic mechanism.<\/li>\n<li><strong>Aero compatible carrier:<\/strong> The included universal mount made of durable rubber allows installation on standard round and modern drop\/aero seatposts.<\/li>\n<li><strong>6 operating modes &amp; USB-C charging:<\/strong> It allows you to choose between 6 different brightness and flashing modes. It is charged via the included USB-C cable (charging time approx. 4 hours).<\/li>\n<li><strong>IPX6 waterproof housing:<\/strong> Protected against heavy rain, splashing water and road dirt.<\/li>\n<\/ul>\n<h4>Video demonstration of operation:<\/h4>\n<p><iframe title=\"Gaciron W03\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/QYwUbQCSm2A?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<h4><\/h4>\n<h4>In the package you will receive:<\/h4>\n<ul>\n<li>1x Gaciron W03AW Smart Laser rear bicycle light<\/li>\n<li>1x Magnetic seatpost mount (suitable for round and Aero posts)<\/li>\n<li>1x USB-C charging cable<\/li>\n<li>Instructions for use<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<ul class=\"product-highlights\" style=\"list-style: none; padding-left: 0; line-height: 1.8;\">\n<li><strong>\u2705Smart braking (Brake Sensor):<\/strong> The built-in precise accelerometer automatically detects any braking and lights up at full power for 3 seconds for maximum visibility.<\/li>\n<li><strong>\u2705Green Laser &amp; Safety Zone:<\/strong> An additional green laser light draws a warning safety line on the roadway and provides the cyclist with significantly greater visibility in the dark.<\/li>\n<li><strong>\u2705Light Sensor &amp; Auto Start\/Stop:<\/strong> In smart mode, the light automatically adapts to the ambient light conditions and turns off after 2 minutes of inactivity (it automatically turns on again when motion is detected).<\/li>\n<li><strong>\u2705Magnetic clamping &amp; Aero mount:<\/strong> Quick magnetic removal and mounting of the light and a bracket that also adapts perfectly to aero seatposts.<\/li>\n<li><strong>\u27056 operating modes &amp; IPX6:<\/strong> It offers 6 different lighting modes, charging via USB-C cable, and complete IPX6 water resistance.<\/li>\n<\/ul>","protected":false},"featured_media":5149,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[132],"product_cat":[86],"product_tag":[],"class_list":["post-6321","product","type-product","status-publish","has-post-thumbnail","product_brand-gaciron","product_cat-zadnje-kolesarske-luci","first","onbackorder","taxable","shipping-taxable","purchasable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Zadnja kolesarska svetilka Gaciron W03<\/title>\n<meta name=\"description\" content=\"Zadnja kolesarska svetilka, 6 stopenj delovanja, vklju\u010den senzor zaviranja in laserski \u017earek za ve\u010djo vidljivost. 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