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review

Ravemen TR20 USB Rechargeable Rear Light

6
£19.99

VERDICT:

6
10
Good secondary light with a range of mounting options
Weight: 
20g

At road.cc every product is thoroughly tested for as long as it takes to get a proper insight into how well it works. Our reviewers are experienced cyclists that we trust to be objective. While we strive to ensure that opinions expressed are backed up by facts, reviews are by their nature an informed opinion, not a definitive verdict. We don't intentionally try to break anything (except locks) but we do try to look for weak points in any design. The overall score is not just an average of the other scores: it reflects both a product's function and value – with value determined by how a product compares with items of similar spec, quality, and price.

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Ravemen's TR20 uses chip-on-board (COB) technology to create a rear light that pumps out 20 lumens and has a wide range of visibility. It's certainly not the brightest, but it's good as a second light and the mount allows you to use it in a number of different locations.

At only 52mm high and 20g all-in (including the mount) this is a pretty dinky light. Even so, it's fairly bright, with the array of LEDs giving good rear visibility and also decent visibility from the sides.

> Find your nearest dealer here

It's USB-rechargeable and the 200mAh battery contained inside is good for up to 11 hours of light. That's on flashing; if you want the steady high beam then you're only going to get an hour and a half. There are high and low static modes, two flashing modes and one throbbing mode, if that description doesn't make you uneasy.

The mount the Ravemen comes with is designed to go around a seatpost, but with a smaller O-ring it works well on a stay, and with a longer one it's easy to find a mounting spot on most helmets. Compared to some other COB lights like the Cygolite Hotrod 50, the Cateye Rapid X3 and the Knog Mr Chips, the Ravemen light is mostly smaller, less costly and not as bright. Those other lights put out up to 100 lumens (for the Cateye) and are a much better bet if you spend any time mixing it on busy roads.

This Ravemen is better when it's used as a supplementary light. The light weight means it's not noticeable at all when you fix it to the back of a helmet, and the integral clip means it's easy to hook on to a pannier or rucksack.

> Buyer's Guide: 14 of the best rear lights

Rated to IPX4, the Ravemen is rainproof rather than fully waterproof, but I had no issues during testing, which included some typically British summer riding.

Overall it's a handy light to have in the drawer, and it's not very expensive, but it wouldn't be my first choice as a rear light on its own. It'd be great to see a higher-output version that would be better for standalone use.

Verdict

Good secondary light with a range of mounting options

road.cc test report

Make and model: Ravemen TR20 USB Rechargeable Rear Light

Size tested: Dimensions (light unit): 52mm (L)*18mm (W)*22mm (H);

Tell us what the light is for, and who it's aimed at. What do the manufacturers say about it? How does that compare to your own feelings about it?

Ravemen lists these features:

1. High efficient COB led with max 20 lumens

2. Quick release designed for various situations

3. Specifically designed lens providing front and side visibility

4. Auto power save and indicator for low battery

5. Built-in Mode memory function

6. Convenient Micro USB charging port

Tell us some more about the technical aspects of the light?

LED: COB LED

Battery: 200mAh/3.7V rechargeable Li-polymer battery

Dimensions (light unit): 52mm (L)*18mm (W)*22mm (H);

Weight (light unit): 15g

Mount size: compatible with φ 24-36mm seat tube

Rate the light for quality of construction:
 
7/10
Rate the light for design and ease of use. How simple was the light to use?
 
9/10
Rate the light for the design and usability of the clamping system/s
 
8/10
Rate the light for waterproofing. How did it stand up to the elements?
 
9/10
Rate the light for battery life. How long did it last? How long did it take to recharge?
 
6/10
Rate the light for performance:
 
6/10
Rate the light for durability:
 
7/10
Rate the light for weight:
 
10/10
Rate the light for value:
 
7/10

Tell us how the light performed overall when used for its designed purpose

Pretty well: lightweight and fairly bright with a decent run-time on flashing.

Tell us what you particularly liked about the light

Very light, multiple mounting options.

Tell us what you particularly disliked about the light

Not really bright enough to be your only light on busy roads.

Did you enjoy using the light? Yes

Would you consider buying the light? Maybe

Would you recommend the light to a friend? Yes

Use this box to explain your score

If you're looking for a simple-to-fit urban or second light, this will do the job.

Overall rating: 6/10

About the tester

Age: 43  Height: 189cm  Weight: 92kg

I usually ride: whatever I'm testing...  My best bike is: Kinesis Tripster ATR, Kinesis Aithein

I've been riding for: Over 20 years  I ride: Every day  I would class myself as: Experienced

I regularly do the following types of riding: road racing, time trialling, cyclo-cross, commuting, club rides, sportives, general fitness riding, fixed/singlespeed, mountain biking, Mountain Bike Bog Snorkelling, track

Dave is a founding father of road.cc, having previously worked on Cycling Plus and What Mountain Bike magazines back in the day. He also writes about e-bikes for our sister publication ebiketips. He's won three mountain bike bog snorkelling World Championships, and races at the back of the third cats.

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