{"product_id":"smart-bike-tail-light-usb-c-brake-sensor","title":"Smart Bike Tail Light – USB-C Rechargeable, Brake Sensor \u0026 Auto On\/Off","description":"\u003ch2\u003eBe Seen. Stay Safe. Ride Smarter.\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003esmart bike tail light\u003c\/strong\u003e goes far beyond a standard rear LED. With intelligent brake detection, automatic on\/off sensing, 300° wide-angle visibility, and a hidden USB-C charging port — it’s the kind of safety upgrade that works quietly in the background so you can focus entirely on the road ahead.\u003c\/p\u003e\n\u003ch2\u003eNine Reasons This Light Belongs on Your Build\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e300° wide-angle visibility\u003c\/strong\u003e — horizontally-mounted elongated LED strip delivers a 30-lumen beam visible from multiple directions, not just directly behind\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake detection\u003c\/strong\u003e — automatically brightens for 2 seconds when you slow down, alerting drivers before they react\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto on\/off\u003c\/strong\u003e — powers off after 2 minutes of inactivity and switches back on the moment you start moving again\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e45-hour runtime\u003c\/strong\u003e — 200mAh Li-ion battery charges via USB-C and lasts up to 45 hours per charge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIPX6 waterproof\u003c\/strong\u003e — CE, FCC, and RoHS certified; built to perform in heavy rain and all-weather conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-lightweight\u003c\/strong\u003e — just 22g; compact 55 × 30 × 14mm footprint integrates cleanly beneath the saddle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStreamlined under-saddle design\u003c\/strong\u003e — rail-mount and seatpost-mount compatible; sits flush with the bike for a clean, aero look\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmart battery indicator\u003c\/strong\u003e — single button press shows green (\u0026gt;40%), red (5–40%), or blinking red (low) so you’re never caught off guard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHidden USB-C charging port\u003c\/strong\u003e — protected connector keeps the charging interface clean and weatherproof\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp\u003eThe saddle rail clamp gauge is \u003cstrong\u003e56.24mm\u003c\/strong\u003e. Some carbon saddles may not be compatible — check your saddle rail spacing before purchasing. After rail installation, secure the clamp with the included zip ties for a firm, rattle-free fit. Also compatible with round seatposts and select aero seatposts of similar dimensions.\u003c\/p\u003e\n\u003ch3\u003eIn the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 × Tail light unit\u003c\/li\u003e\n\u003cli\u003e1 × Strap mount\u003c\/li\u003e\n\u003cli\u003e1 × ABM18 rail mount\u003c\/li\u003e\n\u003cli\u003e1 × USB-C charging cable\u003c\/li\u003e\n\u003cli\u003e2 × Zip ties\u003c\/li\u003e\n\u003cli\u003e1 × Manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED:\u003c\/strong\u003e High-efficiency red LEDs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery:\u003c\/strong\u003e 200mAh \/ 3.7V rechargeable Li-ion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging:\u003c\/strong\u003e USB-C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRuntime:\u003c\/strong\u003e Up to 45 hours\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrightness:\u003c\/strong\u003e 30 lumens\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBeam angle:\u003c\/strong\u003e 300°\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 55 × 30 × 14mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 22g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e CE, FCC, RoHS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModes:\u003c\/strong\u003e 5–8 light modes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eIn stock and ready to ship — the smartest tail light upgrade for any road or MTB build.\u003c\/em\u003e\u003c\/p\u003e","brand":"Bicycle Fanatics","offers":[{"title":"Led","offer_id":50469458870512,"sku":"\u003cnone\u003e","price":74.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/6657\/1760\/files\/Seef8a967a7ac4e03a20e328a8067bbcfs.webp?v=1789567520","url":"https:\/\/bicyclefanatics.shop\/products\/smart-bike-tail-light-usb-c-brake-sensor","provider":"Bicycle Fanatics","version":"1.0","type":"link"}