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The ROCKBROS RB02 is a rechargeable bike tail light that senses braking and flashes brighter for about 2.5 seconds to alert traffic behind. It sleeps after roughly 30 seconds of stillness and wakes on vibration or low light, so it runs without being switched on each ride. It mounts under the saddle and suits commuters and road riders who want an automatic rear light. Against basic tail lights it adds brake sensing and auto on/off; riders who want a simple set-and-forget blinker may find the smart behavior unnecessary.
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Lowest price we've seen: $16.99 on Nov 13 at eBay. Tracked across 1 store since Nov 13.
The RB02 is a rechargeable bike tail light with brake sensing. When it detects braking or deceleration, it automatically increases its brightness for about 2.5 seconds. This makes your movements more noticeable to traffic behind you.
It has built-in light and vibration sensing. The light goes to sleep after about 30 seconds of inactivity. It wakes again when it detects vibration or low light.
It offers 10 lighting modes, including steady red, red strobe and several colorful animated patterns. A built-in 500mAh rechargeable battery runs for approximately 19 to 27 hours, depending on the mode. The IPX5 rating means it resists rain and splashes.
