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review

Moon Shield rear light

8
£39.99

VERDICT:

8
10
Very bright rear light for year-round all conditions use, though the Strobe mode could be annoying
Weight: 
55g

The Moon Shield 60 is one of the current breed of high powered rear lights that comes with a range of modes that range from visible to bright to downright antisocial. It's guaranteed to get you noticed though.

The '60' part of the name comes from the lumens the Shield is claimed to put out at its highest output, the Over Drive setting. It's bright, probably too bright to have it pointing straight back at following drivers, so Moon have included an adjustable bracket that allows you to angle it slightly at the road surface. Not only is it bright enough then to still provide plenty of visibility you also bathe the ground in a red glow which makes you look bigger on the road than you actually are, reducing the number of close passes.

That's a bit of driver behaviour modification I first noticed using the mega powered Hope District (110 lumen) last winter and it works with the Moon too.

At its heart is a single CREE XP-E red LED paired with a 3.7V 700mAh lithium polymer battery which will give you around a 2.5 hour burn time on that Over Drive mode. That's not quite as good as the Exposure TraceR which has the same capacity battery but runs for 3 hours at 75 lumen, but it's impressive nonetheless. A battery indicator lets you know how much juice you've got left.

You get a Standard and High mode too (output/burn times are below) before you reach the two flashing modes, a straight forward Flashing and the Strobe setting. This is the antisocial one. You'll stand out but just looking at it gave me a headache within seconds so it's probably a bit unfair to inflict on others.

The majority of the light is put out as a spot with an angle of 33° according to Moon's website with it fading off to a 58° beam angle. The red and clear lens does allow for full 180° visibility allowing you to be seen from the side, important for junctions.

The bracket's not the most sturdy of things and while I haven't had any issues it does allow quite a bit of bounce with the light in situ. It's not a major concern being at the rear but it's something we'll keep an eye on over the long term. You can get a saddle rail mount as an optional extra which would be useful if you have an aero seatpost.

The ability to deal with the wet is a big thing with rear lights. Having it conk out without you realising while on a damp night ride isn't ideal. The Shield passes both road and bathroom shower testing with ease providing the rubber USB cover is tightly closed, if any rain water gets in here the light is out within seconds and will then continue to play up until it's fully dried out so you must make sure it's tightly closed.

After the above soaking it started working again after a few hours in the airing cupboard but two days later it died completely and on taking it apart it was still full of water. Once dried out completely it's worked faultlessly ever since.

Overall the Moon is an impressive package in terms of light output, build quality and price, £39.99 is a tenner cheaper than the slightly brighter TraceR. The brightness gives plenty of confidence that you'll be visible even on the lower levels and the brightest mode is a bonus in thick fog even in daylight.

Verdict

Very bright rear light for year-round all conditions use, though the Strobe mode could be annoying

The light comparator

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road.cc test report

Make and model: Moon Shield rear light

Size tested: n/a

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?

The Moon Shield 60 is up there with the brightest rear lights on the market though the option of five modes you can select one that is appropriate to the conditions. I found it confidence inspiring knowing that drivers should be able to see you even in amongst traffic and streetlights, providing they're looking of course.

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

CREE XP-E (N4) high brightness red LED

Quick release rubber strap mount (fits 22-31.8mm)

Built-in lithium polymer battery ( 3.7V 700mAh)

USB rechargeable

5 modes : Standard / High / Over drive / Strobe / Flashing

Low battery, charging and fully charged indicator

Automatic fully charged cut-off system

Highly side visibility

High precision optical lens

Water resistant

Belt clip design (can be installed either on seatpost,handlebar, saddle bag, jersey back pocket, etc.)

Size:56.6x36x23.5mm

Optional acessoires: saddle rail mount

Rate the light for quality of construction:
 
8/10

Flimsy bracket but overall good construction.

Rate the light for design and ease of use. How simple was the light to use?
 
9/10

A simple button push to scroll through the five modes to off and start again.

Rate the light for the design and usability of the clamping system/s
 
8/10

The shape and lens design provides a good beam pattern and plenty of visibility. The bracket isn't the most sturdy but didn't show any issues during testing. The Moon is supplied with a belt clip also and there is the optional saddle rail mount.

Rate the light for waterproofing. How did it stand up to the elements?
 
8/10

You must make sure the USB cover is closed, other than that it passed all soaking tests.

Rate the light for battery life. How long did it last? How long did it take to recharge?
 
7/10

The burn time is pretty good considering the lumens it's putting out though not quite as good as the opposition from Exposure. In varying conditions I was getting the quoted burn times -5%

Standard - 20 lumen - 5hrs 40mins

High - 40 lumen - 3hrs 50mins

Over Drive - 60 lumen - 2hrs 30mins

Flash - - 7hrs 0mins

Strobe - - 7hrs 0mins

Charge time - 2hrs (mains wall plug)

Rate the light for performance:
 
9/10

Very bright with plenty of options.

Rate the light for durability:
 
8/10

Can't see any long term issues with the light itself.

Rate the light for weight, if applicable:
 
8/10

Plastic construction keeps the weight down.

Rate the light for value:
 
8/10

On par with the opposition. What price can you put on safety though.

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

Very good, impressed with the beam and visibility.

Tell us what you particularly liked about the light

The range of modes for different conditions.

Tell us what you particularly disliked about the light

The Strobe mode and the flexible bracket

Did you enjoy using the light? Yes.

Would you consider buying the light? Yes.

Would you recommend the light to a friend? Yes.

Anything further to say about the light in conclusion?

The Moon Shield 60 is an impressive rear light that offers plenty of visibility from the sides as well as behind. The ability to keep the rain out was very good though you have to keep an eye on that USB charging cover.

Overall rating: 8/10

About the tester

Age: 36  Height: 180cm  Weight: 76kg

I usually ride: Kinesis T2  My best bike is: Kinesis Aithien

I've been riding for: 10-20 years  I ride: Every day  I would class myself as: Expert

I regularly do the following types of riding: time trialling, commuting, club rides, sportives, fixed/singlespeed,

 

With 20 years of road cycling and over 150,000 miles in his legs it's safe to say Stu is happiest when on the bike whatever the weather. Since writing his first review for road.cc back in 2009 he has also had a career in engineering including 3D-CAD design and product development, so has a real passion for all of the latest technology coming through in the industry but is also a sucker for a classic steel frame, skinny tyres, rim brakes and a damn good paintjob.
His fascination with gravel bikes is getting out of control too!

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