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Portland Design Works Radbot 1000 Tail Light

4.5 out of 5 stars 381 customer reviews
| 24 answered questions

Price: $31.26 & FREE Shipping on orders over $49. Details
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  • Three-mode, 1.0-watt red LED taillight made for biker safety
  • 30-hour runtime in flashing mode; 15-hour runtime in steady mode
  • Precision Euro reflector; weather resistant build; 1.5-second hold switch
  • Comes with batteries, backpack clip, and New Stayputnik(TM) seatpost mount attaches without tools
  • zZz, zZzPOP!, cornea blitz, and rock steady modes; lifetime warranty against defects
$31.26 & FREE Shipping on orders over $49. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

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Technical Details


Product Description

Rather than spending your riding life in the dangerous dark, embrace the illumination of Portland Design Works' Radbot 1000 Tail Light, a pint-sized but powerful rear beacon with brightness that's equivalent to a real-life car taillight, so you'll be easy to see when you're pedaling along with traffic. With three modes--zZz pop, cornea blitz, and rock steady--you'll be able to choose between steady or strobe and enjoy up to 30 hours of power on two AAA batteries. The Radbot's water-resistant case won't fizzle the electronics if you're riding through a shower, and convenient seatpost, seatstay, and backpack mounts let you slap it on wherever you want and pop it off when you leave your bike outside for the afternoon.

Product Details

  • Product Dimensions: 8 x 5 x 3 inches ; 5.6 ounces
  • Shipping Weight: 5.6 ounces (View shipping rates and policies)
  • ASIN: B008RV1SE6
  • Item model number: Portland Design Works
  • Average Customer Review: 4.5 out of 5 stars  See all reviews (381 customer reviews)
  • Amazon Best Sellers Rank: #62,102 in Sports & Outdoors (See Top 100 in Sports & Outdoors)
  • Product Warranty: For warranty information about this product, please click here

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

By M. Erb #1 HALL OF FAMETOP 10 REVIEWERVINE VOICE on November 12, 2010
Size: One SizeColor: One Color Verified Purchase
Length: 2:30 Mins
I'd heard about the Radbot 1000 tail light and decided to order one and use it for my upcoming century ride.

It is a 1-watt LED with a large reflector below the light which gives additional visibility when approaching-from-behind car's headlights hit it. This one-two combo, a super bright flashing 1-watt LED and reflector gives it a significant edge compared to other bike lights. I also want to mention that the reflector acts as some sort of insurance that in the event your batteries die on you mid-ride in low or no daylight situations, you will still have some visibility as soon as approaching headlights hit the reflector. That is significant fail-safe mechanism in my opinion, at least in dusk to night situations.

Powered by 2-AAA batteries, you can expect about 30 hours of operation according to Portland Design Works but if you use non-rechargable alkaline batteries you will likely see the light lasting up to 50 hours or more in zZz Pop mode. That's what I get. Running the light in steady on mode will greatly reduce your battery life to about 12 hours (according to Portland Design Works. I never use that mode so couldn't advise you on that.)

It comes with a variety of mounting hardware that makes it convenient to mount, either on the back of a seat bag, or attach it to the seatpost or seatstay. Whatever works best for you.

Compared to the PlanetBike Blinky Superflash Planet Bike Blinky Superflash Tail Light which uses a 1/2 watt LED, the Radbot 1000 provides twice the light. The Planet Bike Superflash is nice because of the additional 2-LED's that flash opposite the strobing 1/2 watt LED, but in lieu of the 2 additional LED"s the Radbot 1000 offers a large reflector.
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22 Comments 208 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Size: One SizeColor: One Color Verified Purchase
***December 2012 edit: This light is a different model than the one I originally reviewed. I have since bought two more of this model of the light and have not had any issues with it going out after a full year of use. The light modes on the current model are not the same as the model that I originally wrote the review for. I am a particular fan of the zzZZzzPop which was not programed into the original light. For the reason that I have not had any issues with this new version and the fact that it is now my favorite light for this price range I have increased my rating to 5 stars.

***Original review:
I've owned a number of bike lights since I started commuting exclusively by bike about 5 years ago. I normally ride with only one tail light. I bought this light 4 months ago and loved it. This is the brightest light that I've owned, definitely brighter than the superflash. The addition of the reflector is also a nice touch. One thing that I noticed though was that as the light is a 1W light it drains batteries noticeably faster than the .5 W lights that I've owned. That said I would still rate the light with 5 stars.

Why then 3 stars? As a previous reviewer noted, this light has issues with going off mid ride. On three occasions I turned on the light and 2 miles later when I got home the light was out. As I don't always ride in bike lanes and I tend to ride on busy roads and some that aren't really really well lit that scared the crap out of me (luckily there is the reflector). Then two days ago I turned on the light and it blinked for 2 seconds and went off. I turned it on again to the same result. The third time I tried to turn it on, it didn't come on. I changed the batteries, still no luck.

After 4 months it no longer turns on.
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9 Comments 58 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Size: One SizeColor: One Color Verified Purchase
I've used rear lights from Blackburn, Cateye and Topeak, but this one destroys them all. Great light patterns, sturdy mounting hardware, and the light itself is very well built. The first time I turned it on, I nearly went blind, and this was in the middle of the day. I live in Las Vegas, and I bike to work every night. This light insures that I am seen, in fact, I can tell cars behind me sure can see this light, the way they slow down and pass me without a honk or yell. This light is so bright, that I can see the illumination on the back of my heels and legs, no other light I have ever owned was able to do that. And the batteries that come with the light last a long time, much longer than the 50 hours their supposed to last, and when they die I will definetley replace them with rechargeable ones or high end energizers. As for the water resistance, I live in the desert, so that really isn't a problem for me. But still, we will see when the first rains hit Vegas again. Over all, excellent light and I highly recommend it!
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Size: One SizeColor: One Color Verified Purchase
Length: 7:51 Mins
As you can see there is a light with 2 LED bulbs and another light with 1 LED bulb with a reflector on it. The light with two .5 watt LED's is the Danger Zone and the light with a 1 watt LED and reflector is the Radbot 1000. As you can see, the Radbot is significantly brighter than the Danger Zone. The Radbot is blindingly bright but the Danger Zone is bright but it is easier to look at. They both use the same mounting brackets as the Planet Bike Superflash which is convenient for swapping lights. PDW makes much brighter taillights compared to the PB Superflash. The PB Superflash Turbo 1w is just as bright as the Radbot 1000. The Radbot 1000 comes with a rack mount but the Danger Zone doesn't so if you are looking for a product with a rack mount, go for the Radbot. To change batteries on the Portland Design Works Danger Zone, you pry it open with a coins, but on the Portland Design Works Radbot 1000, you will need a Philips Head Screwdriver. If you forget to change the batteries on the Radbot 1000, the reflector on the light will have you covered. Both are weather-proof and don't fall off the bike as you ride. I would highly recommended these lights because they are the brightest affordable taillights that you'll find. The light is even visible in daylight! So get a Portland Design Works tail light and stay safe!Portland Design Works Danger Zone Tail Light Portland Design Works Radbot 1000 1W LED Tail Light Planet Bike SuperFlash Turbo Bicycle Tail Light
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