{"product_id":"the-tail-beacon-bike-rear-light","title":"The Tail Beacon | 30-Lumen 300-Degree Bike Rear Light with Brake Sensing","description":"\u003cdiv class=\"product-narrative\"\u003e\n\u003cp\u003eA rear light has one measurement that matters and it is not lumen count, it is the angle the driver behind you actually sees. The Tail Beacon throws a 30 lumen beam across 300 degrees from a horizontally mounted strip, so it reads from directly behind, from a passing angle, and from the side at a junction. That last one is where most rear lights fail, because a narrow emitter disappears the moment a car approaches at forty-five degrees.\u003c\/p\u003e\n\u003cp\u003eThe housing is rail-mounted and tucks under the saddle rather than hanging off the seatpost, which does two things. It aligns with the bike frame instead of interrupting it, and it puts the emitter where a driver's eyeline already is. A seatpost light sits low and gets hidden by a jacket, a saddlebag or a pannier. This one sits above the tyre line and stays visible.\u003c\/p\u003e\n\u003cp\u003eBrake sensing is the feature that changes how the light behaves in traffic. An accelerometer detects deceleration and boosts the output, so the light brightens when you slow without you touching a button. Combined with auto on and off, the unit does most of its work without input: it wakes when the bike moves and sleeps when it stops. Charging is USB-C, water resistance is IPX6, and the housing is certified to CE, FCC and RoHS, which is the baseline you want from a light wired into a bike you ride in rain.\u003c\/p\u003e\n\u003cp\u003eFive to eight brightness levels let you match the output to the situation. A dim, long-runtime setting for a lit city commute, a bright constant or flash pattern for an unlit road, and a lower mode for group rides where a flashing light in a rider's eyes is antisocial. Runtime depends on the mode, which is why the range matters more than a single headline number.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eBeing seen is not about brightness. It is about the angle the other driver is looking from.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr style=\"margin:28px 0;border:0;border-top:1px solid #e6e6e6;\"\u003e\n\u003cdiv class=\"product-features\"\u003e\n\u003ch3\u003eWhat you are actually buying\u003c\/h3\u003e\n\u003cul style=\"list-style:none;padding:0;\"\u003e\n\u003cli style=\"padding:10px 0;border-bottom:1px solid #f0f0f0;line-height:1.7;\"\u003e\n\u003cstrong style=\"color:#1a1a1a;\"\u003e✦ \u003c\/strong\u003e30 lumen output spread across a 300 degree arc for side visibility at junctions.\u003c\/li\u003e\n\u003cli style=\"padding:10px 0;border-bottom:1px solid #f0f0f0;line-height:1.7;\"\u003e\n\u003cstrong style=\"color:#1a1a1a;\"\u003e✦ \u003c\/strong\u003eHorizontally mounted light strip that reads from behind and from a passing angle.\u003c\/li\u003e\n\u003cli style=\"padding:10px 0;border-bottom:1px solid #f0f0f0;line-height:1.7;\"\u003e\n\u003cstrong style=\"color:#1a1a1a;\"\u003e✦ \u003c\/strong\u003eRail-mounted design that tucks under the saddle, above the tyre line.\u003c\/li\u003e\n\u003cli style=\"padding:10px 0;border-bottom:1px solid #f0f0f0;line-height:1.7;\"\u003e\n\u003cstrong style=\"color:#1a1a1a;\"\u003e✦ \u003c\/strong\u003eBrake sensing that boosts output automatically under deceleration.\u003c\/li\u003e\n\u003cli style=\"padding:10px 0;border-bottom:1px solid #f0f0f0;line-height:1.7;\"\u003e\n\u003cstrong style=\"color:#1a1a1a;\"\u003e✦ \u003c\/strong\u003eAuto on and off, wakes with movement and sleeps when the bike stops.\u003c\/li\u003e\n\u003cli style=\"padding:10px 0;border-bottom:1px solid #f0f0f0;line-height:1.7;\"\u003e\n\u003cstrong style=\"color:#1a1a1a;\"\u003e✦ \u003c\/strong\u003eUSB-C charging with IPX6 water resistance for year-round commuting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-specs\"\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul style=\"list-style:none;padding:0;margin:0;\"\u003e\n\u003cli style=\"padding:9px 0;border-bottom:1px solid #f0f0f0;font-size:15px;line-height:1.6;\"\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e RAVEMEN CL01 Pro\u003c\/li\u003e\n\u003cli style=\"padding:9px 0;border-bottom:1px solid #f0f0f0;font-size:15px;line-height:1.6;\"\u003e\n\u003cstrong\u003eOutput:\u003c\/strong\u003e 30 lumens\u003c\/li\u003e\n\u003cli style=\"padding:9px 0;border-bottom:1px solid #f0f0f0;font-size:15px;line-height:1.6;\"\u003e\n\u003cstrong\u003eBeam angle:\u003c\/strong\u003e 300 degrees\u003c\/li\u003e\n\u003cli style=\"padding:9px 0;border-bottom:1px solid #f0f0f0;font-size:15px;line-height:1.6;\"\u003e\n\u003cstrong\u003eMount:\u003c\/strong\u003e Integrated rail, under saddle\u003c\/li\u003e\n\u003cli style=\"padding:9px 0;border-bottom:1px solid #f0f0f0;font-size:15px;line-height:1.6;\"\u003e\n\u003cstrong\u003eBrightness levels:\u003c\/strong\u003e 5 to 8\u003c\/li\u003e\n\u003cli style=\"padding:9px 0;border-bottom:1px solid #f0f0f0;font-size:15px;line-height:1.6;\"\u003e\n\u003cstrong\u003eSensing:\u003c\/strong\u003e Brake sensing, auto on and off\u003c\/li\u003e\n\u003cli style=\"padding:9px 0;border-bottom:1px solid #f0f0f0;font-size:15px;line-height:1.6;\"\u003e\n\u003cstrong\u003eCharging:\u003c\/strong\u003e USB-C\u003c\/li\u003e\n\u003cli style=\"padding:9px 0;border-bottom:1px solid #f0f0f0;font-size:15px;line-height:1.6;\"\u003e\n\u003cstrong\u003eWater resistance:\u003c\/strong\u003e IPX6\u003c\/li\u003e\n\u003cli style=\"padding:9px 0;border-bottom:1px solid #f0f0f0;font-size:15px;line-height:1.6;\"\u003e\n\u003cstrong\u003eBody material:\u003c\/strong\u003e Plastic\u003c\/li\u003e\n\u003cli style=\"padding:9px 0;border-bottom:1px solid #f0f0f0;font-size:15px;line-height:1.6;\"\u003e\n\u003cstrong\u003eCertification:\u003c\/strong\u003e CE, FCC, RoHS\u003c\/li\u003e\n\u003cli style=\"padding:9px 0;border-bottom:1px solid #f0f0f0;font-size:15px;line-height:1.6;\"\u003e\n\u003cstrong\u003ePower source:\u003c\/strong\u003e Built-in rechargeable battery\u003c\/li\u003e\n\u003cli style=\"padding:9px 0;border-bottom:1px solid #f0f0f0;font-size:15px;line-height:1.6;\"\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Road, commuting, gravel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-applications\"\u003e\n\u003ch3\u003eWhere it belongs\u003c\/h3\u003e\n\u003cp\u003eCommuters who ride in traffic at dusk, road riders doing early starts, gravel riders on unlit lanes, and anyone who has been left-hooked at a junction and wants a light that shows from the side. It suits riders who leave the light on the bike permanently, because the auto on and off means it manages itself. It also suits riders who want a clean build, since the rail mount keeps the light inside the silhouette of the saddle instead of hanging below it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-faq\"\u003e\n\u003ch3\u003eQuestions buyers actually ask\u003c\/h3\u003e\n\u003cdiv style=\"margin-bottom:16px;\"\u003e\n\u003cp style=\"margin:0 0 6px;\"\u003e\u003cstrong\u003eQ: Is 30 lumens enough for daylight?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.75;\"\u003eIt is a rear visibility light rather than a daytime flasher. For daylight riding on busy roads add a second, brighter rear light or run this in its brightest flash mode. For dusk, night and overcast conditions, 30 lumens across 300 degrees is effective.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:16px;\"\u003e\n\u003cp style=\"margin:0 0 6px;\"\u003e\u003cstrong\u003eQ: Will it fit my saddle?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.75;\"\u003eThe mount uses an integrated rail design that fits standard saddle rails. Check the rail spacing on your saddle before ordering; most road, gravel and hybrid saddles are compatible.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:16px;\"\u003e\n\u003cp style=\"margin:0 0 6px;\"\u003e\u003cstrong\u003eQ: How does brake sensing work?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.75;\"\u003eAn accelerometer detects deceleration and raises the output, then returns to the previous mode when you resume a steady speed. No wiring and no connection to the brake levers is needed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:16px;\"\u003e\n\u003cp style=\"margin:0 0 6px;\"\u003e\u003cstrong\u003eQ: How long does a charge last?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.75;\"\u003eRuntime depends on the mode, and the 5 to 8 level range exists precisely so you can trade brightness for time. Expect the longest runtime in the dimmest steady mode and the shortest in the brightest flash.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:16px;\"\u003e\n\u003cp style=\"margin:0 0 6px;\"\u003e\u003cstrong\u003eQ: Is IPX6 enough for heavy rain?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.75;\"\u003eIPX6 handles heavy spray and sustained rain. It is not rated for submersion, so avoid leaving it under water or pressure-washing the housing directly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:16px;\"\u003e\n\u003cp style=\"margin:0 0 6px;\"\u003e\u003cstrong\u003eQ: Can I leave it on the bike?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.75;\"\u003eYes, that is the design intent. Auto on and off means it does not drain when parked, and the rail mount is secure enough for regular riding. Remove it if you park in a high-theft area.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-gallery\" style=\"margin-top:34px;text-align:center;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/Sbf52f65065c74ecb801c549e6cb4f993p.webp?v=1792565587\" alt=\"The Tail Beacon | 30-Lumen 300-Degree Bike Rear Light with Brake Sensing\" style=\"max-width:100%;height:auto;margin:0 0 12px;border-radius:4px;\" loading=\"lazy\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S7536506d7e8f46609d1bb6359a62ca28k.webp?v=1792565587\" alt=\"The Tail Beacon | 30-Lumen 300-Degree Bike Rear Light with Brake Sensing\" style=\"max-width:100%;height:auto;margin:0 0 12px;border-radius:4px;\" loading=\"lazy\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S680762bd5a054926a2311021847cd830y.webp?v=1792565587\" alt=\"The Tail Beacon | 30-Lumen 300-Degree Bike Rear Light with Brake Sensing\" style=\"max-width:100%;height:auto;margin:0 0 12px;border-radius:4px;\" loading=\"lazy\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S64dbe9e5f1e0472192e98c940afe763bq.webp?v=1792565587\" alt=\"The Tail Beacon | 30-Lumen 300-Degree Bike Rear Light with Brake Sensing\" style=\"max-width:100%;height:auto;margin:0 0 12px;border-radius:4px;\" loading=\"lazy\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S8167e391fea24bb08c5830060c59881dE.webp?v=1792565587\" alt=\"The Tail Beacon | 30-Lumen 300-Degree Bike Rear Light with Brake Sensing\" style=\"max-width:100%;height:auto;margin:0 0 12px;border-radius:4px;\" loading=\"lazy\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/Sd60b65b0af0e43caae88f9bbb6bc496ce.webp?v=1792565587\" alt=\"The Tail Beacon | 30-Lumen 300-Degree Bike Rear Light with Brake Sensing\" style=\"max-width:100%;height:auto;margin:0 0 12px;border-radius:4px;\" loading=\"lazy\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S6a0c63e6843e4f2bab86b5f46edeaa77L.webp?v=1792565587\" alt=\"The Tail Beacon | 30-Lumen 300-Degree Bike Rear Light with Brake Sensing\" style=\"max-width:100%;height:auto;margin:0 0 12px;border-radius:4px;\" loading=\"lazy\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/files\/S77cf9086c6964292ba02e15979100ad5u.webp?v=1792565587\" alt=\"The Tail Beacon | 30-Lumen 300-Degree Bike Rear Light with Brake Sensing\" style=\"max-width:100%;height:auto;margin:0 0 12px;border-radius:4px;\" loading=\"lazy\"\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"Product\",\"name\":\"The Tail Beacon | 30-Lumen 300-Degree Bike Rear Light with Brake Sensing\",\"description\":\"A rear light has one measurement that matters and it is not lumen count, it is the angle the driver behind you actually sees. 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